APA aipamena

VERMA, P. (2006). SOFTWARES OF POSITIVE THINKING.

Chicago Style aipamena

VERMA, PRAVEEN. SOFTWARES OF POSITIVE THINKING. 2006.

MLA aipamena

VERMA, PRAVEEN. SOFTWARES OF POSITIVE THINKING. 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.