APA

Feldman R. S., . (2000). Understanding Psicology. Mexico: McGraw - Hill.

Chicago

Feldman Robert S, . 2000. Understanding Psicology. Mexico: McGraw - Hill.

Harvard

Feldman R. S., . (2000). Understanding Psicology. Mexico: McGraw - Hill.

MLA

Feldman Robert S, . Understanding Psicology. Mexico: McGraw - Hill. 2000.