Helmers, F. (1979). Project Planning And Income Distribution (1. Edisyon.). Martinus Nijhoff.
Chicago Style (17th ed.) CitationHelmers, F.L.C.H. Project Planning And Income Distribution. 1. Edisyon. Boston: Martinus Nijhoff, 1979.
MLA (9th ed.) CitationHelmers, F.L.C.H. Project Planning And Income Distribution. 1. Edisyon. Martinus Nijhoff, 1979.
Warning: These citations may not always be 100% accurate.