Gaya APA

PETERSON, P, W. (2000). CHANGING PERSPECTIVES A REVIEW OF THE ENGLISH TENSE SYSTEM: BOOK 1 (1). : Libraries Unlimited.

Gaya MLA

PETERSON, PATRICIA, WILCOX. "CHANGING PERSPECTIVES A REVIEW OF THE ENGLISH TENSE SYSTEM: BOOK 1". 1 : Libraries Unlimited, 2000. Text.