Dyfyniad APA
ebrary, Inc, Juster, F. T., Gilford, D. M., & Tenenbaum, E. (1990). Precollege science and mathematics teachers: Monitoring supply, demand, and quality. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc, F. Thomas Juster, Dorothy M. Gilford, and Ellen Tenenbaum. Precollege Science and Mathematics Teachers: Monitoring Supply, Demand, and Quality. Washington, D.C.: National Academy Press, 1990.
Dyfyniad MLA
ebrary, Inc, et al. Precollege Science and Mathematics Teachers: Monitoring Supply, Demand, and Quality. National Academy Press, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.