Hey, D. H., & John, D. I. (1973). Amino acids, peptides, and related compounds,. Butterworths; University Park Press.
Lua i Stíl Chicago (17ú heag.)Hey, D. H., agus D. I. John. Amino Acids, Peptides, and Related Compounds,. London, : Baltimore,: Butterworths; University Park Press, 1973.
Lua MLA (8ú heag.)Hey, D. H., agus D. I. John. Amino Acids, Peptides, and Related Compounds,. Butterworths; University Park Press, 1973.
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