APA način citiranja (7. izdanje)

SINGH A N. (1993). PREPARATION, IMPLEMENTATION & REGISTRATION OF ISO 9000 QUALITY SYSTEM. DOLPHIN PUBLICATION.

Čikaški stil citiranja (17. izdanje)

SINGH A N. PREPARATION, IMPLEMENTATION & REGISTRATION OF ISO 9000 QUALITY SYSTEM. NEW DELHI: DOLPHIN PUBLICATION, 1993.

MLA način citiranja (9. izdanje)

SINGH A N. PREPARATION, IMPLEMENTATION & REGISTRATION OF ISO 9000 QUALITY SYSTEM. DOLPHIN PUBLICATION, 1993.