Cita APA (7th ed.)

PHYSICAL GEOLOGY .. & JUDSON, S. e. (1996). Physical geology: The lab book. Prentice Hall.

Cita Chicago (17th ed.)

PHYSICAL GEOLOGY .. i Sheldon et.al JUDSON. Physical Geology: The Lab Book. New Jersey: Prentice Hall, 1996.

Cita MLA (9th ed.)

PHYSICAL GEOLOGY .. i Sheldon et.al JUDSON. Physical Geology: The Lab Book. Prentice Hall, 1996.