Gaya APA

LADO, R., FRIES, C, C. (1990). ENGLISH PATTERN PRACTICES, REVISED EDITION (CET. 1). JAKARTA: BINA RUPA AKSARA PUBLISHER.

Gaya MLA

LADO, ROBERT., FRIES, CHARLES, C.. "ENGLISH PATTERN PRACTICES, REVISED EDITION". CET. 1 JAKARTA: BINA RUPA AKSARA PUBLISHER, 1990. Prodi S1 Sastra Inggris.