Παραπομπή σε μορφή APA (7η εκδ.)

Hardin, P., & Higgins, J. E. (2001). The Developing labor law: The board, the courts, and the National Labor Relations Act (4th ed.). The Bureau of National Affairs.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hardin, Patrick, και John E. Higgins. The Developing Labor Law: The Board, the Courts, and the National Labor Relations Act. 4th ed. Washington, D.C: The Bureau of National Affairs, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hardin, Patrick, και John E. Higgins. The Developing Labor Law: The Board, the Courts, and the National Labor Relations Act. 4th ed. The Bureau of National Affairs, 2001.