APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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