APA Style
PERRENOUD, S. (1977).
IPI RESEARCH TROPICS NO.3 .
SWITZERLAND:
INTERNATIONAL POTASH INSTITUTE.
Chicago Style
PERRENOUD, S.
IPI RESEARCH TROPICS NO.3.
SWITZERLAND:
INTERNATIONAL POTASH INSTITUTE,
1977.
Text.
MLA Style
PERRENOUD, S.
IPI RESEARCH TROPICS NO.3.
SWITZERLAND:
INTERNATIONAL POTASH INSTITUTE,
1977.
Text.
Turabian Style
PERRENOUD, S.
IPI RESEARCH TROPICS NO.3.
SWITZERLAND:
INTERNATIONAL POTASH INSTITUTE,
1977.
Print.