APA

International Service for National Agricultural Research, . (19851992). Working paper / International Service for National Agricultural Research. The Hague: ISNAR.

Chicago

International Service for National Agricultural Research, . 19851992. Working paper / International Service for National Agricultural Research. The Hague: ISNAR.

Harvard

International Service for National Agricultural Research, . (19851992). Working paper / International Service for National Agricultural Research. The Hague: ISNAR.

MLA

International Service for National Agricultural Research, . Working paper / International Service for National Agricultural Research. The Hague: ISNAR. 19851992.