APA (7e ed.) Bronvermelding

Elshafei, A. (1969). Process Control Series: Process Control Software. The Institute of National Planning.

Chicago (17e ed.) Bronvermelding

Elshafei, Alwalid. Process Control Series: Process Control Software. Cairo: The Institute of National Planning, 1969.

MLA (9e ed.) Bronvermelding

Elshafei, Alwalid. Process Control Series: Process Control Software. The Institute of National Planning, 1969.

Let op: Deze citaties zijn niet altijd 100% accuraat.