APA
Grote U., Chau N H, Basu A K & Center For Development Research Cdr. (1999). The international debate and economic consequences of eco-labeling. Bonn: Center for Development Research, University of Bonn.
Chicago
Grote U, Chau N H, Basu A K and Center For Development Research Cdr. 1999. The international debate and economic consequences of eco-labeling. Bonn: Center for Development Research, University of Bonn.
Harvard
Grote U., Chau N H, Basu A K and Center For Development Research Cdr. (1999). The international debate and economic consequences of eco-labeling. Bonn: Center for Development Research, University of Bonn.
MLA
Grote U, Chau N H, Basu A K and Center For Development Research Cdr. The international debate and economic consequences of eco-labeling. Bonn: Center for Development Research, University of Bonn. 1999.