Bowman, H. A., & Spanier, G. B. a. Modern marriage (8th.ed.). McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)Bowman, Henry A., me Graham B.,joint author Spanier. Modern Marriage. 8th.ed. New York: McGraw-Hill.
Tohutoro MLA (9th ed.)Bowman, Henry A., me Graham B.,joint author Spanier. Modern Marriage. 8th.ed. McGraw-Hill.
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