Pray, J. S., & Hubbard, T. K. (1913). City planning: A comprehensive analysis of the subject arranged for the classification of books, plans, photographs, notes and other collected material, with alphabetic subject index. Harvard university press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Pray, James Sturgis, και Theodora Kimball Hubbard. City Planning: A Comprehensive Analysis of the Subject Arranged for the Classification of Books, Plans, Photographs, Notes and Other Collected Material, with Alphabetic Subject Index. Cambridge: Harvard university press, 1913.
Παραπομπή σε μορφή MLA (8th εκδ.)Pray, James Sturgis, και Theodora Kimball Hubbard. City Planning: A Comprehensive Analysis of the Subject Arranged for the Classification of Books, Plans, Photographs, Notes and Other Collected Material, with Alphabetic Subject Index. Harvard university press, 1913.