Gaya APA
JOHNSON, K, D. et al
(1984).
BIOLOGY : AN INTRODUCTION
.
AMERIKA SERIKAT:
THE BENJAMIN CUMMINGS.
Gaya MLA
JOHNSON, KENNETH, D.. et al.
"BIOLOGY : AN INTRODUCTION".
AMERIKA SERIKAT:
THE BENJAMIN CUMMINGS,
1984.
Prodi S1 Budidaya Perairan.