Holtkamp, R. (1990). Small four-wheel tractors for the tropics and subtropics: Their role in agricultural and industrial development. Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) ; Distributed by Margraf.
Citazione stile Chigago Style (17a edizione)Holtkamp, Rudolf. Small Four-wheel Tractors for the Tropics and Subtropics: Their Role in Agricultural and Industrial Development. Eschborn : Weikersheim: Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) ; Distributed by Margraf, 1990.
Citatione MLA (8a ed.)Holtkamp, Rudolf. Small Four-wheel Tractors for the Tropics and Subtropics: Their Role in Agricultural and Industrial Development. Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) ; Distributed by Margraf, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.