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