Παραπομπή σε μορφή APA (7η εκδ.)

Llanes, A. L. (1977). Audio-visual aids as a technique in the education of the rducable mentally retarded children [microform]. Photoduplication Service. University of the Philippines Library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Llanes, Aurora L. Audio-visual Aids as a Technique in the Education of the Rducable Mentally Retarded Children [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

Llanes, Aurora L. Audio-visual Aids as a Technique in the Education of the Rducable Mentally Retarded Children [microform]. Photoduplication Service. University of the Philippines Library, 1977.