Burstein, D., Hester, J. J., Blumethal, G., Greeley, R., Smith, B., Voss, H. G., & Burstein, D. 21st century astronomy /Jeff Hester ... [et al.]. W.W. Norton.

Burstein, David, John Jeffrey Hester, George Blumethal, Ronald Greeley, Bradford Smith, Howard G. Voss, và David  Burstein. 21st Century Astronomy /Jeff Hester ... [et Al.]. W.W. Norton.

Burstein, David, et al. 21st Century Astronomy /Jeff Hester ... [et Al.]. W.W. Norton.