Schmidt, L. V. L. (1975). The team non-graded continuous progress at Grissam School, Clark Air Base [microform]. Photoduplication Service, University of the Philippines Library.
Παραπομπή σε μορφή Chicago (17η εκδ.)Schmidt, La Verne L. The Team Non-graded Continuous Progress at Grissam School, Clark Air Base [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
Παραπομπή σε μορφή MLA (9th εκδ.)Schmidt, La Verne L. The Team Non-graded Continuous Progress at Grissam School, Clark Air Base [microform]. Photoduplication Service, University of the Philippines Library, 1975.
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