Gaya APA
Dempsey, M, W. (1987).
The illustrated encyclopedia of invention growing up with science 14: resonance - sea erosion .
New York:
Websters Unified H.S. Stuttman Inc..
Gaya MLA
Dempsey, Michael, W..
"The illustrated encyclopedia of invention growing up with science 14: resonance - sea erosion".
New York:
Websters Unified H.S. Stuttman Inc.,
1987.
Text.