Chapman, V. A., Picache, U. G., & Giondomenica, W. (1977). The development of media centers in Clayton County elementary schools.
Lua i Stíl Chicago (17ú heag.)Chapman, Vicencia A., Ursula G. Picache, agus William Giondomenica. The Development of Media Centers in Clayton County Elementary Schools. Quezon City : Institute of Library Science, University of the Philippines Diliman, 1977.
Lua MLA (9ú heag.)Chapman, Vicencia A., et al. The Development of Media Centers in Clayton County Elementary Schools. 1977.
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