Gaya APA

Parker, S, P. (1986). Grolier Concise Encyclopedia Of Science And Technology Volume 2 (Cet.1). Connecticut: Grolier International Inc..

Gaya MLA

Parker, Sybil, P.. "Grolier Concise Encyclopedia Of Science And Technology Volume 2". Cet.1 Connecticut: Grolier International Inc., 1986. Text.