Sinclair, W. B. (1972). The grapefruit: Its composition, physiology, and products. University of California.
Chicago-viite (17. p.)Sinclair, Walton B. The Grapefruit: Its Composition, Physiology, and Products. Berkeley: University of California, 1972.
MLA-viite (9. p.)Sinclair, Walton B. The Grapefruit: Its Composition, Physiology, and Products. University of California, 1972.
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