APA Style
WESTERN, DAVID dan PEARL , MARY C. (1989).
CONSERVATION FOR THE TWENTY FIRST CENTURY .
NEW YORK:
ADDISON-WESLEY PUBLISHING COMPANY.
Chicago Style
WESTERN, DAVID dan PEARL , MARY C.
CONSERVATION FOR THE TWENTY FIRST CENTURY.
NEW YORK:
ADDISON-WESLEY PUBLISHING COMPANY,
1989.
Text.
MLA Style
WESTERN, DAVID dan PEARL , MARY C.
CONSERVATION FOR THE TWENTY FIRST CENTURY.
NEW YORK:
ADDISON-WESLEY PUBLISHING COMPANY,
1989.
Text.
Turabian Style
WESTERN, DAVID dan PEARL , MARY C.
CONSERVATION FOR THE TWENTY FIRST CENTURY.
NEW YORK:
ADDISON-WESLEY PUBLISHING COMPANY,
1989.
Print.