Gaya APA

Darmawan, D, W, M, P, A, M, V, W, R, D, K, G, ;, A, D, I. (1991). Biokimia Harper (20). Jakarta: EGC.

Gaya MLA

Darmawan, David, W., Martin,, Peter, A., Meyes,, Victor, W., Rodwell., Daryl, K., Granner, ;, A.b.,, Dr., Iyan. "Biokimia Harper". 20 Jakarta: EGC, 1991. Text.