Cita APA (7th ed.)

Crinius, W., & Weinert, G. (1999). Development in World Trade 1998 - 2000.

Cita Chicago (17th ed.)

Crinius, Wolfgang, i Günter Weinert. Development in World Trade 1998 - 2000. Hamburg, 1999.

Cita MLA (8th ed.)

Crinius, Wolfgang, i Günter Weinert. Development in World Trade 1998 - 2000. 1999.