APA

Hossam Hassan Hussein Abbas, Magdy A.Salah eldeen, Maher Hussein Khalifa & Rasmy Boulos Girges. (1998). Toxicological effects of copper and lead on some physioloical aspects in two fish species , blue tilapia (oreochromis a ureus) and african catfish (clarlas gariepinus). Cairo: Hossam Hassan Hussein Abbas.

Chicago

Hossam Hassan Hussein Abbas, Magdy A.Salah eldeen, Maher Hussein Khalifa and Rasmy Boulos Girges. 1998. Toxicological effects of copper and lead on some physioloical aspects in two fish species , blue tilapia (oreochromis a ureus) and african catfish (clarlas gariepinus). Cairo: Hossam Hassan Hussein Abbas.

Harvard

Hossam Hassan Hussein Abbas, Magdy A.Salah eldeen, Maher Hussein Khalifa and Rasmy Boulos Girges. (1998). Toxicological effects of copper and lead on some physioloical aspects in two fish species , blue tilapia (oreochromis a ureus) and african catfish (clarlas gariepinus). Cairo: Hossam Hassan Hussein Abbas.

MLA

Hossam Hassan Hussein Abbas, Magdy A.Salah eldeen, Maher Hussein Khalifa and Rasmy Boulos Girges. Toxicological effects of copper and lead on some physioloical aspects in two fish species , blue tilapia (oreochromis a ureus) and african catfish (clarlas gariepinus). Cairo: Hossam Hassan Hussein Abbas. 1998.