Dyfyniad APA

Routley, J. (1957). Business book - keeping. Sir Isaac pitman and sons limited.

Dyfyniad Arddull Chicago

Routley, John. Business Book - Keeping. London: Sir Isaac pitman and sons limited, 1957.

Dyfyniad MLA

Routley, John. Business Book - Keeping. Sir Isaac pitman and sons limited, 1957.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.