Gaya APA

Swanson, C, P., Diemer, G, W. (1959). **The how and why program hero unit . Amerika: Amerika: The L.J. Bullard; 1959.

Gaya MLA

Swanson, Carl, P.., Diemer, George, W. "**The how and why program hero unit". Amerika: Amerika: The L.J. Bullard; 1959, 1959. Text.