APA Alıntı

Ulloa, A., Aguilar, T., Goicoechea, C., & Ramírez, R. (2011). DESCRIPTION, CLASSIFICATION AND GEOLOGICAL ASPECTS OF THE KARSTIC REGIONS OF COSTA RICA.

Chicago Stili Alıntı

Ulloa, Andrés, Teresita Aguilar, Carlos Goicoechea, ve Ronald Ramírez. DESCRIPTION, CLASSIFICATION AND GEOLOGICAL ASPECTS OF THE KARSTIC REGIONS OF COSTA RICA. 2011.

MLA Alıntı

Ulloa, Andrés, Teresita Aguilar, Carlos Goicoechea, ve Ronald Ramírez. DESCRIPTION, CLASSIFICATION AND GEOLOGICAL ASPECTS OF THE KARSTIC REGIONS OF COSTA RICA. 2011.

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