BERNSTEIN, R., & Bernstein, S. (1982). Biology: The study of life. Harcourt, Brace Jovanovich.
Chicago-čujuhus (17. p.)BERNSTEIN, Ruth, juo Stephen Bernstein. Biology: The Study of Life. New York: Harcourt, Brace Jovanovich, 1982.
MLA-čujuhus (9. p.)BERNSTEIN, Ruth, juo Stephen Bernstein. Biology: The Study of Life. Harcourt, Brace Jovanovich, 1982.
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