Don Olson. (1996). Exploring Earth's Treasures (Eyes on Adventure Series). Kidsbooks.
Cita Chicago Style (17a ed.)Don Olson. Exploring Earth's Treasures (Eyes on Adventure Series). Kidsbooks, 1996.
Cita MLA (9a ed.)Don Olson. Exploring Earth's Treasures (Eyes on Adventure Series). Kidsbooks, 1996.
Precaución: Estas citas no son 100% exactas.