Gaya APA

Krohn, R. (1990). English Sentence Structure : the Successor to English Sentence Patterns (Cet. 1). Jakarta: Binarupa Aksara.

Gaya MLA

Krohn, Robert. "English Sentence Structure : the Successor to English Sentence Patterns". Cet. 1 Jakarta: Binarupa Aksara, 1990. Text.