Lua APA (7ú heag.)

Medina, M. L. C., & Gabriel, F. S. Work situation and quality of life of call center employees.

Lua i Stíl Chicago (17ú heag.)

Medina, Ma. Lilet Cruz, agus Florenda S. Gabriel. Work Situation and Quality of Life of Call Center Employees. 2008.

Lua MLA (9ú heag.)

Medina, Ma. Lilet Cruz, agus Florenda S. Gabriel. Work Situation and Quality of Life of Call Center Employees.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.