Dyfyniad APA

Mercer, L. G. (1969). Telegraphy In Business (3rd.). McDonald and Evans.

Dyfyniad Arddull Chicago

Mercer, Lawrence G. Telegraphy In Business. 3rd. London: McDonald and Evans, 1969.

Dyfyniad MLA

Mercer, Lawrence G. Telegraphy In Business. 3rd. McDonald and Evans, 1969.

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