Gaya APA

Swanson, C, P., Martinez, I, M, J. (NULL). The demographic revolution in Mexico 1970-1980 . Mexico:: Mexico: Mexican Institute of Social Security; 1982.

Gaya MLA

Swanson, Carl, P.., Martinez, I., Manautou,, Jorge. "The demographic revolution in Mexico 1970-1980". Mexico:: Mexico: Mexican Institute of Social Security; 1982, NULL. Text.