Não informado. (1972). Egyptian Journal of Animal Production. Egyptian Society of Animal Production, National Information and Documentation Centre.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Egyptian Journal of Animal Production. Cairo: Egyptian Society of Animal Production, National Information and Documentation Centre, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Egyptian Journal of Animal Production. Egyptian Society of Animal Production, National Information and Documentation Centre, 1972.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.