Citace podle APA (7th ed.)

Greenberger, S. M., & Thum, S. R. (1975). S.T.E.P., sequential testing and educational programming. Academic Therapy Publications.

Citace podle Chicago (17th ed.)

Greenberger, Sue M., a Susan R. Thum. S.T.E.P., Sequential Testing and Educational Programming. San Rafael, Calif.: Academic Therapy Publications, 1975.

Citace podle MLA (8th ed.)

Greenberger, Sue M., a Susan R. Thum. S.T.E.P., Sequential Testing and Educational Programming. Academic Therapy Publications, 1975.

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