Beltran, G. C. P. (1998). Sexually transmiited diseases, viagra and one-nigh-stands [series]. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeltran, Grace Carole P. "Sexually Transmiited Diseases, Viagra and One-nigh-stands [series]." Philippine Star 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBeltran, Grace Carole P. "Sexually Transmiited Diseases, Viagra and One-nigh-stands [series]." Philippine Star, 1998.
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