APA استشهاد

Ratcliffe, J. A. (1952). The physical principles of wireless ([9th ed., rev.].). Methuen.

استشهاد بنمط شيكاغو

Ratcliffe, J. A. The Physical Principles of Wireless. [9th ed., rev.]. London: Methuen, 1952.

MLA استشهاد

Ratcliffe, J. A. The Physical Principles of Wireless. [9th ed., rev.]. Methuen, 1952.