Gaya APA

Contre, C, M, &, F, K. (1980). Structural Analysis (2). England: English Language Book Sociey/ Van Nostran Reihold.

Gaya MLA

Contre, Coates.,, M.G.Coutie, &, F.K., Kong. "Structural Analysis". 2 England: English Language Book Sociey/ Van Nostran Reihold, 1980. Text.