Cita APA (7th ed.)

Lester, L. J. (1975). A directory of sources of assistance on educational technology for development. Information Center on Instructional Technology, Academy for Educational Development, Inc.

Cita Chicago (17th ed.)

Lester, Lois Joy. A Directory of Sources of Assistance on Educational Technology for Development. Washington, D.C: Information Center on Instructional Technology, Academy for Educational Development, Inc, 1975.

Cita MLA (9th ed.)

Lester, Lois Joy. A Directory of Sources of Assistance on Educational Technology for Development. Information Center on Instructional Technology, Academy for Educational Development, Inc, 1975.