HUISMAN, H. (1987). Regional and rural development planning series Nr.IX: Metode penelitian. F.Geografi-UGM.
Chicago-čujuhus (17. p.)HUISMAN, Henk. Regional and Rural Development Planning Series Nr.IX: Metode Penelitian. Yogyakarta: F.Geografi-UGM, 1987.
MLA-čujuhus (9. p.)HUISMAN, Henk. Regional and Rural Development Planning Series Nr.IX: Metode Penelitian. F.Geografi-UGM, 1987.
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