APA Style
Duff, D.. (1993).
HOLMES' PRINCIPLES OF PHYSICAL GEOLOGY, FOURTH EDITION (4).
London, Glasgow, New York, Tok:
Chapman & Hall.
Chicago Style
Duff, D..
HOLMES' PRINCIPLES OF PHYSICAL GEOLOGY, FOURTH EDITION.
4
London, Glasgow, New York, Tok:
Chapman & Hall,
1993.
Text.
MLA Style
Duff, D..
HOLMES' PRINCIPLES OF PHYSICAL GEOLOGY, FOURTH EDITION.
4
London, Glasgow, New York, Tok:
Chapman & Hall,
1993.
Text.
Turabian Style
Duff, D..
HOLMES' PRINCIPLES OF PHYSICAL GEOLOGY, FOURTH EDITION.
4
London, Glasgow, New York, Tok:
Chapman & Hall,
1993.
Print.