Arho, P. (1972). Skin thickness and collagen content in some endocrine, connective tissue and skin diseases: A roentgenographic and biochemical study.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArho, Pekka. Skin Thickness and Collagen Content in Some Endocrine, Connective Tissue and Skin Diseases: A Roentgenographic and Biochemical Study. Helsinki, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रArho, Pekka. Skin Thickness and Collagen Content in Some Endocrine, Connective Tissue and Skin Diseases: A Roentgenographic and Biochemical Study. 1972.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.