Morrill, Richard L. (1970), The Spatial Organization of Socie ty. Belmont, Californie, Wadsworth Publishing Company, Inc. XII, 251 pages / Abler, Ronald, John S. Adams et Peter Gould (1971), Spatial Organization. Englewood Cliffs, New Jersey, Prentice-Hall, Inc. 587 pages. - Villeneuve, Paul (Cahiers de géographie du Québec, 1972)