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APA-viite (7. p.)
Hirshfield, I. N., Rosenfeld, H. J., Leifer, Z., & Maas, W. K. (1970). Isolation and Characterization of a Mutant of Escherichia coli Blocked in the Synthesis of Putrescine. J Bacteriol.
Chicago-viite (17. p.)
Hirshfield, I. N., H. J. Rosenfeld, Z. Leifer, ja W. K. Maas. "Isolation and Characterization of a Mutant of Escherichia Coli Blocked in the Synthesis of Putrescine." J Bacteriol 1970.
MLA-viite (9. p.)
Hirshfield, I. N., et al. "Isolation and Characterization of a Mutant of Escherichia Coli Blocked in the Synthesis of Putrescine." J Bacteriol, 1970.
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