APA استشهاد

Spiegel, H. W. (1971). Growth of Economic Thought. Prentice-Hall of India.

استشهاد بنمط شيكاغو

Spiegel, Henry William. Growth of Economic Thought. New Jersey: Prentice-Hall of India, 1971.

MLA استشهاد

Spiegel, Henry William. Growth of Economic Thought. Prentice-Hall of India, 1971.