Cita APA (7th ed.)
Gale, F. L. (1975). Determining the requirements for the design of learner-based instruction. Merrill.
Cita Chicago (17th ed.)
Gale, Fred L. Determining the Requirements for the Design of Learner-based Instruction. Columbus, Ohio: Merrill, 1975.
Cita MLA (9th ed.)
Gale, Fred L. Determining the Requirements for the Design of Learner-based Instruction. Merrill, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.