(1997). Biological abstracts. Philadelphia: BIOSIS.
Trích dẫn kiểu ChicagoBiological Abstracts. Philadelphia: BIOSIS, 1997.
Deismireacht MLABiological Abstracts. Philadelphia: BIOSIS, 1997.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.