Gaya APA

Walton, M, S. (2012). Boundless potential : transform your brain, unleash your talents, reinvent your work in midlife and beyond . New York: Mc Graw Hll.

Gaya MLA

Walton, Mark, S.. "Boundless potential : transform your brain, unleash your talents, reinvent your work in midlife and beyond". New York: Mc Graw Hll, 2012. Buku/Printed Material.