Punjabi University. Publication Bureau & Punjabi University. Faculty of Life Sciences. (1985). Biologica. Punjabi University, Publication Bureau.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPunjabi University. Publication Bureau और Punjabi University. Faculty of Life Sciences. Biologica. Patiāla, India: Punjabi University, Publication Bureau, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPunjabi University. Publication Bureau और Punjabi University. Faculty of Life Sciences. Biologica. Punjabi University, Publication Bureau, 1985.
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