APA-viite (7. p.)
Wessel, H. (1981). Under the apple tree: Marrying, Birthing, Parenting. Bookmates International.
Chicago-viite (17. p.)
Wessel, Helen. Under the Apple Tree: Marrying, Birthing, Parenting. California: Bookmates International, 1981.
MLA-viite (9. p.)
Wessel, Helen. Under the Apple Tree: Marrying, Birthing, Parenting. Bookmates International, 1981.
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