एपीए उद्धरण

Jones, L. (1986). Progress to proficiency: Student's book. Cambridge: Cambridge Univ. Press.

शिकागो स्टाइल उद्धरण

Jones, Leo. Progress to Proficiency: Student's Book. Cambridge: Cambridge Univ. Press, 1986.

एमएलए उद्धरण

Jones, Leo. Progress to Proficiency: Student's Book. Cambridge: Cambridge Univ. Press, 1986.