Cita APA (7th ed.)

Janssen, W., & Kissi, A. (1997). Planning and priority setting for regional research: A practical approach to combine natural resource management and productivity concerns. International Service for National Agricultural Research.

Cita Chicago (17th ed.)

Janssen, Willem, i Ali Kissi. Planning and Priority Setting for Regional Research: A Practical Approach to Combine Natural Resource Management and Productivity Concerns. The Hague: International Service for National Agricultural Research, 1997.

Cita MLA (9th ed.)

Janssen, Willem, i Ali Kissi. Planning and Priority Setting for Regional Research: A Practical Approach to Combine Natural Resource Management and Productivity Concerns. International Service for National Agricultural Research, 1997.