Sách Tham khảo tiếng Anh

2010, Thomas E. Johnson, Donna L. Bade

2017, Stephen P. Robbins, Timothy A. Judge

2015, Donna L. Bade

2022, Stephen P. Robbins: San Diego State University, Timothy A. Judge: The Ohio State University

2009, Alan E. Branch

2017, Stephen P. Robbins, Timothy A. Judge