Gaya APA

Hartono, ., Simon, T, H, S. (1990). Applied idiomatic expressions drills : for students of english as a foreign language . Yogyakarta: Kanisius.

Gaya MLA

Hartono, ., Simon, T., H., S.. "Applied idiomatic expressions drills : for students of english as a foreign language". Yogyakarta: Kanisius, 1990. Text.