Παραπομπή APA

Greshes, W., & Warren Greshes. The: 9 keys to creating self-motivating high achievers. Hoboken, NJ: Wiley.

Παραπομπή Chicago Style

Greshes, Warren, και Warren Greshes. The: 9 Keys to Creating Self-motivating High Achievers. Hoboken, NJ: Wiley.

Παραπομπή MLA

Greshes, Warren, και Warren Greshes. The: 9 Keys to Creating Self-motivating High Achievers. Hoboken, NJ: Wiley.

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