Παραπομπή APA

Lawrence, F., & Humphreys, E. (1967). Marginal costing/2e (2nd ed.). Macdonald & Evans.

Παραπομπή Chicago Style

Lawrence, F.C, και E.V Humphreys. Marginal Costing/2e. 2nd ed. London: Macdonald & Evans, 1967.

Παραπομπή MLA

Lawrence, F.C, και E.V Humphreys. Marginal Costing/2e. 2nd ed. Macdonald & Evans, 1967.