Gaya APA

P.PARKER, S. (1986). GROLIER CONCISE ENCYCLOPEDIA OF SCIENCE AND TECHNOLOGY (2). hong kong: GROLIER INTERNATIOAL.

Gaya MLA

P.PARKER, S.. GROLIER CONCISE ENCYCLOPEDIA OF SCIENCE AND TECHNOLOGY. 2 hong kong: GROLIER INTERNATIOAL, 1986. Text.