Παραπομπή σε μορφή APA (7η εκδ.)

Beltran, A. G. Enriching language teaching for the academically talented pupils in grade four [microform]. Photoduplication Service.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Beltran, Antonio Garcia. Enriching Language Teaching for the Academically Talented Pupils in Grade Four [microform]. Quezon City: Photoduplication Service.

Παραπομπή σε μορφή MLA (9th εκδ.)

Beltran, Antonio Garcia. Enriching Language Teaching for the Academically Talented Pupils in Grade Four [microform]. Photoduplication Service.