Hashemi, L. (2000). Pet preliminary English test practice tests plus 1 with key: Includes 2004 exam specifications. New York: Longman.
शिकागो स्टाइल उद्धरणHashemi, Louise. Pet Preliminary English Test Practice Tests Plus 1 With Key: Includes 2004 Exam Specifications. New York: Longman, 2000.
एमएलए उद्धरणHashemi, Louise. Pet Preliminary English Test Practice Tests Plus 1 With Key: Includes 2004 Exam Specifications. New York: Longman, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.