APA Style
HELMUTH, JOHN W., JOHNSON, STANLEY R.. (1989).
World food conference 1988 (1).
LOWA:
LOWA STATE UNIVERSITY PRESS.
Chicago Style
HELMUTH, JOHN W., JOHNSON, STANLEY R..
World food conference 1988.
1
LOWA:
LOWA STATE UNIVERSITY PRESS,
1989.
TXB.
MLA Style
HELMUTH, JOHN W., JOHNSON, STANLEY R..
World food conference 1988.
1
LOWA:
LOWA STATE UNIVERSITY PRESS,
1989.
TXB.
Turabian Style
HELMUTH, JOHN W., JOHNSON, STANLEY R..
World food conference 1988.
1
LOWA:
LOWA STATE UNIVERSITY PRESS,
1989.
TXB.