APA ציטוט

SCHEFLER,William.C. (1976). BIOLOGY: PRINCIPLES AND ISSUES. ADDISON-WESLEY publishing company.

Chicago Edition Citation

SCHEFLER,William.C. BIOLOGY: PRINCIPLES AND ISSUES. USA: ADDISON-WESLEY publishing company, 1976.

ציטוט MLA

SCHEFLER,William.C. BIOLOGY: PRINCIPLES AND ISSUES. ADDISON-WESLEY publishing company, 1976.