Παραπομπή APA

Denyer, J. C. (1976). O&M And Management Services: A Practical Guide. English Language Book Society.

Παραπομπή Chicago Style

Denyer, J. C. O&M And Management Services: A Practical Guide. London: English Language Book Society, 1976.

Παραπομπή MLA

Denyer, J. C. O&M And Management Services: A Practical Guide. English Language Book Society, 1976.