Παραπομπή APA

Williams, W. B. (1995). Future perfect: Present empowerment: a road map for success in the 21st century. Lisle, IL: Patriot's Pub.

Παραπομπή Chicago Style

Williams, William B. Future Perfect: Present Empowerment: A Road Map for Success in the 21st Century. Lisle, IL: Patriot's Pub, 1995.

Παραπομπή MLA

Williams, William B. Future Perfect: Present Empowerment: A Road Map for Success in the 21st Century. Lisle, IL: Patriot's Pub, 1995.

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