Gaya APA
R, H., J. (1994).
FUNDAMENTALS of GENERAL, ORGANIC and BIOLOGICAL CHEMISTRY .
New York. USA:
Jhon Wiley & Son Inc..
Gaya MLA
R, H., J..
FUNDAMENTALS of GENERAL, ORGANIC and BIOLOGICAL CHEMISTRY.
New York. USA:
Jhon Wiley & Son Inc.,
1994.
Text.