Cita APA (7a ed.)

Pardey, P. G., & Roseboom, J. (1989). ISNAR agricultural research indicator series: A global data base on national agricultural research systems. ISNAR.

Cita Chicago Style (17a ed.)

Pardey, Philip G., y Johannes Roseboom. ISNAR Agricultural Research Indicator Series: A Global Data Base on National Agricultural Research Systems. Cambridge: ISNAR, 1989.

Cita MLA (8a ed.)

Pardey, Philip G., y Johannes Roseboom. ISNAR Agricultural Research Indicator Series: A Global Data Base on National Agricultural Research Systems. ISNAR, 1989.