Gaya APA

Vet, P, S, &, T, D. (1980). Practical Language Teaching (PLT)- Using Blackboard Drawing No.5 (1). London: George Allen & Unwin Ltd.

Gaya MLA

Vet, Peter, Shaw, &, Therese, De. "Practical Language Teaching (PLT)- Using Blackboard Drawing No.5". 1 London: George Allen & Unwin Ltd, 1980. Buku Analog.