Wald, G., & Wald, G. . ,. . . a. (1966). Twenty-six afternoons of biology: An introductory laboratory manual, (2nd ed.). Addison-Wesley.
Chicago Style (17. basım) AtıfWald, George, ve George ,,,,,[et al.] Wald. Twenty-six Afternoons of Biology: An Introductory Laboratory Manual,. 2nd ed. Reading, Mass: Addison-Wesley, 1966.
MLA (9th ed.) AtıfWald, George, ve George ,,,,,[et al.] Wald. Twenty-six Afternoons of Biology: An Introductory Laboratory Manual,. 2nd ed. Addison-Wesley, 1966.
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