APA

Gardner R. L., Stewart D. N., Worsham R. G. & American Institute of Certified Public Accountants. (2005). Tax research techniques. New York, NY: American Institute of Certified Public Accountants.

Chicago

Gardner Robert L, Stewart Dave N, Worsham Ronald G and American Institute of Certified Public Accountants. 2005. Tax research techniques. New York, NY: American Institute of Certified Public Accountants.

Harvard

Gardner R. L., Stewart D. N., Worsham R. G. and American Institute of Certified Public Accountants. (2005). Tax research techniques. New York, NY: American Institute of Certified Public Accountants.

MLA

Gardner Robert L, Stewart Dave N, Worsham Ronald G and American Institute of Certified Public Accountants. Tax research techniques. New York, NY: American Institute of Certified Public Accountants. 2005.