Dyfyniad APA

Mennes, L. B. M., Tinbergen, J., & Waardenburg, J. G. (1969). The element of space in development planning. North-Holland Pub. Co..

Dyfyniad Arddull Chicago

Mennes, L. B. M., Jan Tinbergen, and J. George Waardenburg. The Element of Space in Development Planning. Amsterdam: North-Holland Pub. Co., 1969.

Dyfyniad MLA

Mennes, L. B. M., et al. The Element of Space in Development Planning. North-Holland Pub. Co., 1969.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.