Tohutoro APA (7th ed.)
Dreikurs, R. (1990). The challenge of marriage. Accelerated Development.
Tohutoru Kātū Chicago (17th ed.)
Dreikurs, Rudolf. The Challenge of Marriage. Philadelphia: Accelerated Development, 1990.
Tohutoro MLA (9th ed.)
Dreikurs, Rudolf. The Challenge of Marriage. Accelerated Development, 1990.
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