Gaya APA

Sheeler, W, D. (1978). Welcome to English ( 1, 2, 3, 4, 5 ) : Buku Penuntun . Jakarta: english Language Serces.

Gaya MLA

Sheeler, Wilard, D.. "Welcome to English ( 1, 2, 3, 4, 5 ) : Buku Penuntun". Jakarta: english Language Serces, 1978. Text.