Cita APA (7a ed.)

Pyle, w. W. (1970). Programmed Learning Aid For Elementary Accounting William W. Pyle. Learning Systems.

Cita Chicago Style (17a ed.)

Pyle, william W. Programmed Learning Aid For Elementary Accounting William W. Pyle. Learning Systems, 1970.

Cita MLA (8a ed.)

Pyle, william W. Programmed Learning Aid For Elementary Accounting William W. Pyle. Learning Systems, 1970.