Παραπομπή σε μορφή APA (7η εκδ.)

Kruse, D., & Mahony, D. (1998). Illegal child labor in the United States: Prevalence and characteristics. National Bureau of Economic Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kruse, Douglas, και Douglas Mahony. Illegal Child Labor in the United States: Prevalence and Characteristics. Cambridge: National Bureau of Economic Research, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kruse, Douglas, και Douglas Mahony. Illegal Child Labor in the United States: Prevalence and Characteristics. National Bureau of Economic Research, 1998.