World Health Organization & World Health Organization. Bacillus thuringiensis.
Chicago Style (17. basım) AtıfWorld Health Organization ve World Health Organization. Bacillus Thuringiensis.
MLA (8th ed.) AtıfWorld Health Organization ve World Health Organization. Bacillus Thuringiensis.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..