GOPALKRISHNAN, P. (1998). THE INTERNATIONAL DICTIONARY OF ABBREVIATION.
Chicago Style aipamenaGOPALKRISHNAN, P. THE INTERNATIONAL DICTIONARY OF ABBREVIATION. 1998.
MLA aipamenaGOPALKRISHNAN, P. THE INTERNATIONAL DICTIONARY OF ABBREVIATION. 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.