Callanta, N. M., & Castro, P. E. (1969). The effectiveness of the PRRM method of training auxiliary literacy teachers. [publisher not identified].
Čikaški stil citiranja (17. izdanje)Callanta, Norma M., i Perla E. Castro. The Effectiveness of the PRRM Method of Training Auxiliary Literacy Teachers. [place of publication not identified]: [publisher not identified], 1969.
MLA način citiranja (9. izdanje)Callanta, Norma M., i Perla E. Castro. The Effectiveness of the PRRM Method of Training Auxiliary Literacy Teachers. [publisher not identified], 1969.
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