APA (7th ed.) Citation
CRPE/PE, C. R. d. P. E. d. P. -. (1964). .
Chicago Style (17th ed.) Citation
CRPE/PE, Centro Regional de Pesquisas Educacionais de Pernambuco -. . 1964.
MLA (9th ed.) Citation
CRPE/PE, Centro Regional de Pesquisas Educacionais de Pernambuco -. . 1964.
Warning: These citations may not always be 100% accurate.