APA aipamena

HARRIS,P.R.& OTHERS. CHALLENGE OF YOUR EDUCATION. ST. PAUL SOCI.

Chicago Style aipamena

HARRIS,P.R.& OTHERS. CHALLENGE OF YOUR EDUCATION. ALLAHABAD: ST. PAUL SOCI.

MLA aipamena

HARRIS,P.R.& OTHERS. CHALLENGE OF YOUR EDUCATION. ST. PAUL SOCI.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.