Noyce, A. G. (1973). The morphology and histology of the genital system of Theba pisana (Müller) (Pulmonata: Helicidae). Universiteit van Stellenbosch.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNoyce, A. G. The Morphology and Histology of the Genital System of Theba Pisana (Müller) (Pulmonata: Helicidae). Stellenbosch: Universiteit van Stellenbosch, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNoyce, A. G. The Morphology and Histology of the Genital System of Theba Pisana (Müller) (Pulmonata: Helicidae). Universiteit van Stellenbosch, 1973.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.