APA

Covington M. V., Beery R. G., . (976). Self-worth and school learning. New York: Holt, Rinehart and Winston.

Chicago

Covington Martin V, Beery Richard G, . 976. Self-worth and school learning. New York: Holt, Rinehart and Winston.

Harvard

Covington M. V., Beery R. G., . (976). Self-worth and school learning. New York: Holt, Rinehart and Winston.

MLA

Covington Martin V, Beery Richard G, . Self-worth and school learning. New York: Holt, Rinehart and Winston. 976.