Cita APA (7th ed.)

Ziglar, Z. (2001). You can reach the top. Magna.

Cita Chicago (17th ed.)

Ziglar, Zig. You Can Reach the Top. Mumbai: Magna, 2001.

Cita MLA (9th ed.)

Ziglar, Zig. You Can Reach the Top. Magna, 2001.