Gaya APA
Atkinson, E., Swanson, C, P. (1959).
**The how and why program little questions that lead to great discoveries .
Amerika:
Amerika: The L.J.Bullard Co; 1959.
Gaya MLA
Atkinson, Eleanor., Swanson, Carl, P..
"**The how and why program little questions that lead to great discoveries".
Amerika:
Amerika: The L.J.Bullard Co; 1959,
1959.
Text.