Ufford, P. Q. (1980). Grenzen van internationale hulpverlening. Van Gorcum-Assen.
Chicago Style (17th ed.) CitationUfford, Philip Quarles. Grenzen Van Internationale Hulpverlening. Van Gorcum-Assen, 1980.
MLA (8th ed.) CitationUfford, Philip Quarles. Grenzen Van Internationale Hulpverlening. Van Gorcum-Assen, 1980.
Warning: These citations may not always be 100% accurate.