Dyfyniad APA

Christopher, M. (1972). Marketing below-the-line. George allen and Unwin.

Dyfyniad Arddull Chicago

Christopher, Martin. Marketing Below-the-line. london: George allen and Unwin, 1972.

Dyfyniad MLA

Christopher, Martin. Marketing Below-the-line. George allen and Unwin, 1972.

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