By Howitt, Dennis.. New York : Pearson, 2014 . xxii, 508 p. : 26 cm.. 9780273775058
]]>By Christensen, Larry B.,. Boston : Gate Pearson Education, 2015 . 542 p. : , Previous edition: 2011. Includes bibliographical references and index. 24 cm.. 9781292057743
]]>By Howitt, Dennis. Harlow, UK : Pearson, 2019 . xxix, 528 p. : 27 cm.. 9781292251202
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