Nelsen, J. (1988). Understanding: Eliminating stress and finding serenity in life and relationships (ed.). Prima publishing & Communications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Nelsen, Jane. Understanding: Eliminating Stress and Finding Serenity in Life and Relationships. ed. Rocklin, CA: Prima publishing & Communications, 1988.
Παραπομπή σε μορφή MLA (9th εκδ.)Nelsen, Jane. Understanding: Eliminating Stress and Finding Serenity in Life and Relationships. ed. Prima publishing & Communications, 1988.
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