Co-operative Pure Milk Association. Dairyman's monthly review.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCo-operative Pure Milk Association. Dairyman's Monthly Review. Cincinnati, Ohio.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCo-operative Pure Milk Association. Dairyman's Monthly Review.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.