एपीए उद्धरण

(1960). Purchasing: Principles and applications. Englewood Cliffs, N. J.: Prentice-Hall.

शिकागो स्टाइल उद्धरण

Purchasing: Principles and Applications. Englewood Cliffs, N. J.: Prentice-Hall, 1960.

एमएलए उद्धरण

Purchasing: Principles and Applications. Englewood Cliffs, N. J.: Prentice-Hall, 1960.