Não informado. (2011). Professional Psychology, Research and Practice. American Psychological Association.
Citação do estilo Chicago (17ª ed.)Não informado. Professional Psychology, Research and Practice. Arlington, Va: American Psychological Association, 2011.
Citação MLA (8ª ed.)Não informado. Professional Psychology, Research and Practice. American Psychological Association, 2011.
警告：这些引文格式不一定是100％准确.