Tseng G. (1997). Handbook of reference of Information services. Crest publishing.
शिकागो स्टाइल उद्धरणTseng G. Handbook of Reference of Information Services. New Delhi: Crest publishing, 1997.
एमएलए उद्धरणTseng G. Handbook of Reference of Information Services. Crest publishing, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.