Παραπομπή σε μορφή APA (7η εκδ.)

Walker, R. B., & Woodgate, D. R. (1933). Principles and practice of industrial assurance. Sir Isaac Pitman & sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Walker, Robert Brooks, και Donald Richard Woodgate. Principles and Practice of Industrial Assurance. London: Sir Isaac Pitman & sons, 1933.

Παραπομπή σε μορφή MLA (8th εκδ.)

Walker, Robert Brooks, και Donald Richard Woodgate. Principles and Practice of Industrial Assurance. Sir Isaac Pitman & sons, 1933.