Gaya APA

M., M. et al (1999). Enhancing customer orientation of service delivery systems: an integrative framework (Volume 9 · Number 3 · 1999 · pp. 198–203). United States of America: Emerald Insight.

Gaya MLA

M., Mahmoud. et al. "Enhancing customer orientation of service delivery systems: an integrative framework". Volume 9 · Number 3 · 1999 · pp. 198–203 United States of America: Emerald Insight, 1999. Article.