Dyfyniad APA

Perrins, R. (1972). Practical Book-keeping And Commercial Knowledge R.e.g. Perrins. HFJ.

Dyfyniad Arddull Chicago

Perrins, R.E.G. Practical Book-keeping And Commercial Knowledge R.e.g. Perrins. HFJ, 1972.

Dyfyniad MLA

Perrins, R.E.G. Practical Book-keeping And Commercial Knowledge R.e.g. Perrins. HFJ, 1972.

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