Dyfyniad APA

Johnston, R., & Johnston, R. (2001). Service operations managementRobert Johnston, Graham Clark. Prentice Hall.

Dyfyniad Arddull Chicago

Johnston, Robert, and Robert Johnston. Service Operations ManagementRobert Johnston, Graham Clark. Prentice Hall, 2001.

Dyfyniad MLA

Johnston, Robert, and Robert Johnston. Service Operations ManagementRobert Johnston, Graham Clark. Prentice Hall, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.