Gaya APA

Douglass, M, E., Douglass, D, N. (1980). Manage Your Time, Manage Your Work, Manage Yourself . America: Amacom.

Gaya MLA

Douglass, Merrill, E.., Douglass, Donna, N.. "Manage Your Time, Manage Your Work, Manage Yourself". America: Amacom, 1980. Text.