APA (7e ed.) Bronvermelding

Jaffee, D. (1998). Levels of socio-economic development theory (2nd ed.). Praeger.

Chicago (17e ed.) Bronvermelding

Jaffee, David. Levels of Socio-economic Development Theory. 2nd ed. Westport, Conn: Praeger, 1998.

MLA (9e ed.) Bronvermelding

Jaffee, David. Levels of Socio-economic Development Theory. 2nd ed. Praeger, 1998.