APA (7th ed.) Zitazioa
Crandall, R. C. (1980). Gerontology: A behavioral science approach. Addison-Wesley Pub. Co..
Chicago Style (17th ed.) Zitazioa
Crandall, Richard C. Gerontology: A Behavioral Science Approach. Reading, Mass.: Addison-Wesley Pub. Co., 1980.
MLA (9th ed.) Zitazioa
Crandall, Richard C. Gerontology: A Behavioral Science Approach. Addison-Wesley Pub. Co., 1980.
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