Gaya APA

Fryklund, V, C., Roy, I, K, F. (1969). General drfating . Illinois: Illinois: McKnight & McKnight; 1969.

Gaya MLA

Fryklund, Verne, C.., Roy, I., Kepler,, Frank. "General drfating". Illinois: Illinois: McKnight & McKnight; 1969, 1969. Text.