APA aipamena

(2003). People and competencies. Bhuana Ilmu Populer.

Chicago Style aipamena

People and Competencies. Bhuana Ilmu Populer, 2003.

MLA aipamena

People and Competencies. Bhuana Ilmu Populer, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.