Gaya APA

Dulfer, E., Laurinkari, J. (1994). International handbook of cooperative organizations . Gottingen: Gottingen Vandenhoeck and Ruprecht.

Gaya MLA

Dulfer, Eberhard., Laurinkari, Juhani. "International handbook of cooperative organizations". Gottingen: Gottingen Vandenhoeck and Ruprecht, 1994. Text.