Tucker, G. R. (1971). Focus acquisition by Filipino children. Philippine Journal of Psychology.
Chicago Style aipamenaTucker, G. Richard. "Focus Acquisition by Filipino Children." Philippine Journal of Psychology 1971.
MLA aipamenaTucker, G. Richard. "Focus Acquisition by Filipino Children." Philippine Journal of Psychology, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.