APA-čujuhus (7. p.)
Powell, J. J. (1974). The secret of staying in love. Argus Communications.
Chicago-čujuhus (17. p.)
Powell, John Joseph. The Secret of Staying in Love. Niles, Ill.: Argus Communications, 1974.
MLA-čujuhus (9. p.)
Powell, John Joseph. The Secret of Staying in Love. Argus Communications, 1974.
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