एपीए उद्धरण

Webster. (1988). Guide to business correspondence. Merriam Webster Inc Publishers.

शिकागो स्टाइल उद्धरण

Webster. Guide to Business Correspondence. Springfield: Merriam Webster Inc Publishers, 1988.

एमएलए उद्धरण

Webster. Guide to Business Correspondence. Merriam Webster Inc Publishers, 1988.