Richards, W. D. (1981). Effects of physiol and chemical factors on the viability of Mycobacterium paratuberculosis.
استشهاد بنمط شيكاغوRichards, W D. Effects of Physiol and Chemical Factors On the Viability of Mycobacterium Paratuberculosis. 1981.
MLA استشهادRichards, W D. Effects of Physiol and Chemical Factors On the Viability of Mycobacterium Paratuberculosis. 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.