Cita APA (7a ed.)

Calderón-Carrillo, Z. (2007). Correlation development between indentation parameters and unaxial compressive strength for colombian sandstones. ECOPETROL S.A.

Cita Chicago Style (17a ed.)

Calderón-Carrillo, Zuly. Correlation Development Between Indentation Parameters and Unaxial Compressive Strength for Colombian Sandstones. ECOPETROL S.A, 2007.

Cita MLA (9a ed.)

Calderón-Carrillo, Zuly. Correlation Development Between Indentation Parameters and Unaxial Compressive Strength for Colombian Sandstones. ECOPETROL S.A, 2007.

Precaución: Estas citas no son 100% exactas.