Gaya APA

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

Gaya MLA

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