Howell David C. Statistical methods for psychology 7. ed. : Belmont, CAb Wadsworth Publishing Company,c cop. 2010 : Wadsworth Publishing Company : cop. 2010 : 768 s. : ISBN: 0-495-59784-8 Mandatory Search the University Library catalogue
Introduction to research methods in psychology Howitt Dennis, Cramer Duncan 3. ed. : Harlow, England : Pearson/Prentice Hall : c2010. : ISBN: 978-0-273-72607-4 (pbk.) Mandatory Search the University Library catalogue
Research methods : a process of inquiry Graziano Anthony M., Raulin Michael L. 7th ed. : Boston : Allyn and Bacon : c2010 : xxv, 400 p. : ISBN: 978-0-205-63402-6 Search the University Library catalogue
Howell David C. Statistical methods for psychology 7. ed. : Belmont, CAb Wadsworth Publishing Company,c cop. 2010 : Wadsworth Publishing Company : cop. 2010 : 768 s. : ISBN: 0-495-59784-8 Search the University Library catalogue