Gaya APA

Chang, Z, Y. et al (1996). The quest for global quality : a manifestation of total quality management by singapore airlines . Singapore: Addison Wasley.

Gaya MLA

Chang, Zeph, Yun. et al. "The quest for global quality : a manifestation of total quality management by singapore airlines". Singapore: Addison Wasley, 1996. BUKU.