APA-čujuhus (7. p.)

STEELE, H. (1998). GEOLOGY AND CHANGE. TIME LIFE PUBLICATIONS.

Chicago-čujuhus (17. p.)

STEELE, HOPE. GEOLOGY AND CHANGE. ASIA: TIME LIFE PUBLICATIONS, 1998.

MLA-čujuhus (9. p.)

STEELE, HOPE. GEOLOGY AND CHANGE. TIME LIFE PUBLICATIONS, 1998.

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