Παραπομπή σε μορφή APA (7η εκδ.)

Agren, L. (1990). .Swedish direct investment in the U.S. IIB, Institute of International Business, Stockholm School of Economics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Agren, Lars. .Swedish Direct Investment in the U.S. Stockholm, Sweden: IIB, Institute of International Business, Stockholm School of Economics, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Agren, Lars. .Swedish Direct Investment in the U.S. IIB, Institute of International Business, Stockholm School of Economics, 1990.