APA Style
Petrick, Alfred. (1986).
Energy Resource Assesment .
London:
WESTVIEW.
Chicago Style
Petrick, Alfred.
Energy Resource Assesment.
London:
WESTVIEW,
1986.
.
MLA Style
Petrick, Alfred.
Energy Resource Assesment.
London:
WESTVIEW,
1986.
.
Turabian Style
Petrick, Alfred.
Energy Resource Assesment.
London:
WESTVIEW,
1986.
.