Gaya APA

Trowbridge, L, W., Bybee, R, W. (1986). Becoming a Secondary School Science Teacher Ed. 4 (4). Jakarta: Merrill.

Gaya MLA

Trowbridge, Leslie, W.., Bybee, Rodger, W.. "Becoming a Secondary School Science Teacher Ed. 4". 4 Jakarta: Merrill, 1986. Text.