Beltran, A. G. Enriching language teaching for the academically talented pupils in grade four [microform]. Photoduplication Service.
芝加哥风格引文Beltran, Antonio Garcia. Enriching Language Teaching for the Academically Talented Pupils in Grade Four [microform]. Quezon City: Photoduplication Service.
MLA引文Beltran, Antonio Garcia. Enriching Language Teaching for the Academically Talented Pupils in Grade Four [microform]. Photoduplication Service.
警告：这些引文格式不一定是100％准确.