Marcos, F. E. (1967). Extemporaneous remarks at the First Seminar on Rural Medicine, October 11, 1967].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMarcos, Ferdinand E. Extemporaneous Remarks at the First Seminar on Rural Medicine, October 11, 1967]. 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMarcos, Ferdinand E. Extemporaneous Remarks at the First Seminar on Rural Medicine, October 11, 1967]. 1967.
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