Παραπομπή APA

Kelly, A., Harris, M., & A. Kelly. (1978). Management of industrial maintenance. News butterworths.

Παραπομπή Chicago Style

Kelly, A., M.J Harris, και A. Kelly. Management of Industrial Maintenance. London: News butterworths, 1978.

Παραπομπή MLA

Kelly, A., et al. Management of Industrial Maintenance. News butterworths, 1978.