Cita APA (7th ed.)

Koberg, D., & Bagnall, J. (1990). The all new universal traveler: A soft-systems guide to creativity, problem-solving, and the process of reaching goals (Rev.). Crisp Publications, Inc.

Cita Chicago (17th ed.)

Koberg, Don, i Jim Bagnall. The All New Universal Traveler: A Soft-systems Guide to Creativity, Problem-solving, and the Process of Reaching Goals. Rev. Los Alton. Calif: Crisp Publications, Inc, 1990.

Cita MLA (9th ed.)

Koberg, Don, i Jim Bagnall. The All New Universal Traveler: A Soft-systems Guide to Creativity, Problem-solving, and the Process of Reaching Goals. Rev. Crisp Publications, Inc, 1990.