Penggayaan APA
Powell. (1990).
Electromagnetism .
London:
Macmillan.
Chicago Style
Powell.
Electromagnetism.
London:
Macmillan,
1990.
Text.
MLA Style
Powell.
Electromagnetism.
London:
Macmillan,
1990.
Text.
Turabian Style
Powell.
Electromagnetism.
London:
Macmillan,
1990.
Print.