Gaya APA

Lefever, D. Welty, Turrell, Archie, Weitzel, Henry I. (1950). Principles And Techniques Of Guidance . New York: THE RONALD PRESS.

Gaya Chicago

Lefever, D. Welty, Turrell, Archie, Weitzel, Henry I. Principles And Techniques Of Guidance. New York: THE RONALD PRESS, 1950. .

Gaya MLA

Lefever, D. Welty, Turrell, Archie, Weitzel, Henry I. Principles And Techniques Of Guidance. New York: THE RONALD PRESS, 1950. .

Gaya Turabian

Lefever, D. Welty, Turrell, Archie, Weitzel, Henry I. Principles And Techniques Of Guidance. New York: THE RONALD PRESS, 1950. .