Citazione Stile APA (7a Edizione)

Harper, M., & Momm, W. (1989). Self-employment for disabled people: Experiences from Africa and Asia. International Labor Office.

Citazione stile Chigago Style (17a edizione)

Harper, Malcolm, e Willi Momm. Self-employment for Disabled People: Experiences from Africa and Asia. Geneva: International Labor Office, 1989.

Citatione MLA (9a ed.)

Harper, Malcolm, e Willi Momm. Self-employment for Disabled People: Experiences from Africa and Asia. International Labor Office, 1989.