Petrick, M., & Weingarten, P. (2004). The role of agriculture in Central and Eastern European rural development: engine of change or Social buffer?: Studies on the agricultural and food sector in Central and Eastern Europe. Vol. 25.
Cytowanie według stylu Chicago (wyd. 17)Petrick, Martin, i Peter Weingarten. The Role of Agriculture in Central and Eastern European Rural Development: Engine of Change or Social Buffer?: Studies on the Agricultural and Food Sector in Central and Eastern Europe. Vol. 25. 2004.
Cytowanie według stylu MLA (wyd. 9)Petrick, Martin, i Peter Weingarten. The Role of Agriculture in Central and Eastern European Rural Development: Engine of Change or Social Buffer?: Studies on the Agricultural and Food Sector in Central and Eastern Europe. Vol. 25. 2004.