Murphy, B., & Brendan Murphy; Damian Nance. (1999). Earth science today. Pacific Grove, Calif: Brooks/Cole.
Čikaški stil citiranjaMurphy, Brendan, i Brendan Murphy; Damian Nance. Earth Science Today. Pacific Grove, Calif: Brooks/Cole, 1999.
MLA način citiranjaMurphy, Brendan, i Brendan Murphy; Damian Nance. Earth Science Today. Pacific Grove, Calif: Brooks/Cole, 1999.
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