APA استشهاد

Mercer, G. L. (1963). Accounting and book-keeping machines/2e (2ed.). Macdonald and evans.

استشهاد بنمط شيكاغو

Mercer, G. Lawrence. Accounting and Book-keeping Machines/2e. 2ed. London: Macdonald and evans, 1963.

MLA استشهاد

Mercer, G. Lawrence. Accounting and Book-keeping Machines/2e. 2ed. Macdonald and evans, 1963.