Saper, C. Under cancellation: The future of visual poetry / Craig Saper. Experimental - visual - concrete : Avant-Garde Poetry since the 1960s.(1996).
Chicago-Zitierstil (17. Ausg.)Saper, Craig. "Under Cancellation: The Future of Visual Poetry / Craig Saper." Experimental - Visual - Concrete : Avant-Garde Poetry Since the 1960s.(1996) .
MLA-Zitierstil (8. Ausg.)Saper, Craig. "Under Cancellation: The Future of Visual Poetry / Craig Saper." Experimental - Visual - Concrete : Avant-Garde Poetry Since the 1960s.(1996), .
警告：這些引文格式不一定是100％准確.