APA (7th ed.) Citation

HELMERS, F. (1979). Project olanning and income distribution. Martinus Nijhoff pub.

Chicago Style (17th ed.) Citation

HELMERS, F.L.C.H. Project Olanning and Income Distribution. London: Martinus Nijhoff pub, 1979.

MLA (8th ed.) Citation

HELMERS, F.L.C.H. Project Olanning and Income Distribution. Martinus Nijhoff pub, 1979.

Warning: These citations may not always be 100% accurate.