Gaya APA

Lado, R. (1990). English Pattern Practices: establishing the patterns as habits / Robert Lado (Cet. 1). : Binarupa Aksara.

Gaya MLA

Lado, Robert. "English Pattern Practices: establishing the patterns as habits / Robert Lado". Cet. 1 : Binarupa Aksara, 1990. Referensi.