Παραπομπή σε μορφή APA (7η εκδ.)

Del Villar, C. P. (2007). Communication apprehension: Survey of studies, treatments, and techniques. Philippine Humanities Review:Rebyu ng Arte at Literatura ng Pilipinas.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Del Villar, Carmencita P. "Communication Apprehension: Survey of Studies, Treatments, and Techniques." Philippine Humanities Review:Rebyu Ng Arte at Literatura Ng Pilipinas 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Del Villar, Carmencita P. "Communication Apprehension: Survey of Studies, Treatments, and Techniques." Philippine Humanities Review:Rebyu Ng Arte at Literatura Ng Pilipinas, 2007.