Tohutoro APA (7th ed.)
Skinner, T. (1968). Black and free. Zondervan Publishing House.
Tohutoru Kātū Chicago (17th ed.)
Skinner, Tom. Black and Free. Michigan: Zondervan Publishing House, 1968.
Tohutoro MLA (9th ed.)
Skinner, Tom. Black and Free. Zondervan Publishing House, 1968.
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