APA (7th ed.) Zitazioa

Gale, F. L. (1975). Determining the requirements for the design of learner-based instruction. Merrill.

Chicago Style (17th ed.) Zitazioa

Gale, Fred L. Determining the Requirements for the Design of Learner-based Instruction. Columbus, Ohio: Merrill, 1975.

MLA (9th ed.) Zitazioa

Gale, Fred L. Determining the Requirements for the Design of Learner-based Instruction. Merrill, 1975.