APA-Zitierstil (7. Ausg.)

Keppler, H., Mund, H., & Seeba, E. (1987). The role of services in the economy and external trade of ACP countries. Schwartz.

Chicago-Zitierstil (17. Ausg.)

Keppler, Horst, Horst Mund, und Ewold Seeba. The Role of Services in the Economy and External Trade of ACP Countries. Göttingen: Schwartz, 1987.

MLA-Zitierstil (9. Ausg.)

Keppler, Horst, et al. The Role of Services in the Economy and External Trade of ACP Countries. Schwartz, 1987.