THE LEARNING ENVIRONMENT:AN INSTRUCTIONAL STRATEGY
1982 年出版249 页ISBN:0807727148
RECONCILING ENVIRONMENT AND TRADE Second Edition
2008 年出版716 页ISBN:9781571053701
MARKETING IN THE INTERNATIONAL ENVIONMENAL ENVIRONMENT
1984 年出版465 页ISBN:0135573726
Optimizing Nitrogen Management in Food and Energy Production and Environmental Protection
2002 年出版1013 页ISBN:9789026519277;9026519273
Agricultural biotechnology and the environment : science
policy1996 年出版295 页ISBN: