APA aipamena

Peterson, P. W. (1999). Changing perspectives - A review of the english tense system. U.S.: United States Information Agency.

Chicago Style aipamena

Peterson, Patricia Wilcox. Changing Perspectives - A Review of the English Tense System. U.S.: United States Information Agency, 1999.

MLA aipamena

Peterson, Patricia Wilcox. Changing Perspectives - A Review of the English Tense System. U.S.: United States Information Agency, 1999.