HUISMAN, H. (1987). Regional and rural development planning series Nr.VII: Perencanaan pelayanan dan pusat pelayanan. F.Geografi-UGM.
Dyfyniad Arddull ChicagoHUISMAN, Henk. Regional and Rural Development Planning Series Nr.VII: Perencanaan Pelayanan Dan Pusat Pelayanan. Yogyakarta: F.Geografi-UGM, 1987.
Dyfyniad MLAHUISMAN, Henk. Regional and Rural Development Planning Series Nr.VII: Perencanaan Pelayanan Dan Pusat Pelayanan. F.Geografi-UGM, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.