Παραπομπή σε μορφή APA (7η εκδ.)

(1991). Market failure in training?: New economic analysis and evidence on training of adult employees. Springer-Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Market Failure in Training?: New Economic Analysis and Evidence on Training of Adult Employees. Berlin : New York: Springer-Verlag, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Market Failure in Training?: New Economic Analysis and Evidence on Training of Adult Employees. Springer-Verlag, 1991.