Hultnäs, C. A. (1959). Studies on variation in mating behavior and semen picture in young bulls of the Swedish red-and-white breed and on causes of this variation. Almqvist & Wiksells.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHultnäs, C. A. Studies on Variation in Mating Behavior and Semen Picture in Young Bulls of the Swedish Red-and-white Breed and on Causes of This Variation. Uppsala: Almqvist & Wiksells, 1959.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHultnäs, C. A. Studies on Variation in Mating Behavior and Semen Picture in Young Bulls of the Swedish Red-and-white Breed and on Causes of This Variation. Almqvist & Wiksells, 1959.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.