Gaya APA
Stwertka, Albert. (2002).
A Guide to the Elements (2nd.ed).
Nwe York:
Oxford University Press.
Gaya Chicago
Stwertka, Albert.
A Guide to the Elements.
2nd.ed
Nwe York:
Oxford University Press,
2002.
.
Gaya MLA
Stwertka, Albert.
A Guide to the Elements.
2nd.ed
Nwe York:
Oxford University Press,
2002.
.
Gaya Turabian
Stwertka, Albert.
A Guide to the Elements.
2nd.ed
Nwe York:
Oxford University Press,
2002.
.