Waterman, A. (2009). Hearing voices: Alex Waterman on Robert Ashley. Artforum.
Chicago-Zitierstil (17. Ausg.)Waterman, Alex. "Hearing Voices: Alex Waterman on Robert Ashley." Artforum 2009.
MLA-Zitierstil (8. Ausg.)Waterman, Alex. "Hearing Voices: Alex Waterman on Robert Ashley." Artforum, 2009.
警告：這些引文格式不一定是100％准確.