Penggayaan APA
Understanding Science Vol.II. (s.a).
London:
Purnell & Sons Ltd.
Chicago Style
Understanding Science Vol.II.
.
London:
Purnell & Sons Ltd,
s.a.
Text.
MLA Style
Understanding Science Vol.II.
.
London:
Purnell & Sons Ltd,
s.a.
Text.
Turabian Style
Understanding Science Vol.II.
London:
Purnell & Sons Ltd,
s.a.
Print.