एपीए उद्धरण

(1981). Basic skills in English: Yellow level. New York: Mc Dougal, Littel & Company.

शिकागो स्टाइल उद्धरण

Basic Skills in English: Yellow Level. New York: Mc Dougal, Littel & Company, 1981.

एमएलए उद्धरण

Basic Skills in English: Yellow Level. New York: Mc Dougal, Littel & Company, 1981.