Stephenson, W. K. (1967). Concepts in biochemistry: A programed text. John Wiley.
Chicago-čujuhus (17. p.)Stephenson, William K. Concepts in Biochemistry: A Programed Text. Nueva York: John Wiley, 1967.
MLA-čujuhus (9. p.)Stephenson, William K. Concepts in Biochemistry: A Programed Text. John Wiley, 1967.
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