KELLEY, Harold Harding. Personal relationships : their structures and processes. Hillsdale : Erlbaum, 1979. 1 online zdroj (xii, 183 stran). John M. MacEachran memorial lecture series ; 1978. Dostupné na internetu: <http://eds.b.ebscohost.com/eds/detail/detail?vid=6&sid=00593520-5c8a-4c77-a8b0-2c34d39031ad%40sessionmgr104&bdata=Jmxhbmc9Y3Mmc2l0ZT1lZHMtbGl2ZQ%3d%3d#db=nlebk&AN=634443> ISBN 0-470-26730-5.