Dyfyniad APA

SCHWARTZ DAVID. (2016). THE MAGIC OF THINKING BIG (2016.). PENGUIN RANDOM HOUSE.

Dyfyniad Arddull Chicago

SCHWARTZ DAVID. THE MAGIC OF THINKING BIG. 2016. LONDON: PENGUIN RANDOM HOUSE, 2016.

Dyfyniad MLA

SCHWARTZ DAVID. THE MAGIC OF THINKING BIG. 2016. PENGUIN RANDOM HOUSE, 2016.

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