APA

Naglaa Atallah Mehanny Omar, Esam Abdelmegid Agamy, Hassan Bekheit & Monir Mohamed Elhussaini. (1999). Studies on different bacillus thuringiensis isolates from Egyptian soil and their efficacy against the cotton leafworm , spodoptera littoralis - BOISD. Cairo: Naglaa Atallah Mehanny Omar.

Chicago

Naglaa Atallah Mehanny Omar, Esam Abdelmegid Agamy, Hassan Bekheit and Monir Mohamed Elhussaini. 1999. Studies on different bacillus thuringiensis isolates from Egyptian soil and their efficacy against the cotton leafworm , spodoptera littoralis - BOISD. Cairo: Naglaa Atallah Mehanny Omar.

Harvard

Naglaa Atallah Mehanny Omar, Esam Abdelmegid Agamy, Hassan Bekheit and Monir Mohamed Elhussaini. (1999). Studies on different bacillus thuringiensis isolates from Egyptian soil and their efficacy against the cotton leafworm , spodoptera littoralis - BOISD. Cairo: Naglaa Atallah Mehanny Omar.

MLA

Naglaa Atallah Mehanny Omar, Esam Abdelmegid Agamy, Hassan Bekheit and Monir Mohamed Elhussaini. Studies on different bacillus thuringiensis isolates from Egyptian soil and their efficacy against the cotton leafworm , spodoptera littoralis - BOISD. Cairo: Naglaa Atallah Mehanny Omar. 1999.