Gaya APA
FREY, Paul R.. (1952).
College Chemistry (2nd.ed.).
New York:
Prentice Hall inc.
Gaya Chicago
FREY, Paul R..
College Chemistry.
2nd.ed.
New York:
Prentice Hall inc,
1952.
Teks.
Gaya MLA
FREY, Paul R..
College Chemistry.
2nd.ed.
New York:
Prentice Hall inc,
1952.
Teks.
Gaya Turabian
FREY, Paul R..
College Chemistry.
2nd.ed.
New York:
Prentice Hall inc,
1952.
Teks.