Gaya APA
L., H, A., H., S, J. (2001).
Effective School Health Education (Trawas) .
New York:
Appleton-Century-Crofts, Inc..
Gaya MLA
L., Harnett, Arthur., H., Shaw, John.
"Effective School Health Education (Trawas)".
New York:
Appleton-Century-Crofts, Inc.,
2001.
Text.