Dyfyniad APA

Cartwright, C. A., & Cartwright, G. P. (1974). Developing observation skills. McGraw-Hill.

Dyfyniad Arddull Chicago

Cartwright, Carol A., and G. Phillip Cartwright. Developing Observation Skills. New York: McGraw-Hill, 1974.

Dyfyniad MLA

Cartwright, Carol A., and G. Phillip Cartwright. Developing Observation Skills. McGraw-Hill, 1974.

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