Schul, N. W. A Philippine sugar cane district: Spatial phenomena affecting sugar cane production on the haciendas.
Citazione stile Chigago Style (17a edizione)Schul, Norman Willard. A Philippine Sugar Cane District: Spatial Phenomena Affecting Sugar Cane Production on the Haciendas.
Citatione MLA (9a ed.)Schul, Norman Willard. A Philippine Sugar Cane District: Spatial Phenomena Affecting Sugar Cane Production on the Haciendas.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.