Gaya APA

BERKALA PENELITIAN HAYATI : JOURNAL OF BIOLOGICAL RESEARCHES, VOl.15. NO.1. DESEMBER 2009. (2009). SURABAYA: PBI CABANG JAWA TIMUR.

Gaya MLA

BERKALA PENELITIAN HAYATI : JOURNAL OF BIOLOGICAL RESEARCHES, VOl.15. NO.1. DESEMBER 2009. VOl.15. NO.1. DESEMBER 2009. SURABAYA: PBI CABANG JAWA TIMUR, 2009. Prodi S1 PSDP.