Dyfyniad APA

Johnson, S., & Wilson, L. (1986). The one minute sales person. Fontana/Collins.

Dyfyniad Arddull Chicago

Johnson, Spencer, and Larry Wilson. The One Minute Sales Person. Glasgow: Fontana/Collins, 1986.

Dyfyniad MLA

Johnson, Spencer, and Larry Wilson. The One Minute Sales Person. Fontana/Collins, 1986.

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