Heizer, M., Oppenheim, D., & Smithson, R. (2012). Discussions woith Willoughby Sharp and Liza Bear of Avalanche. Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings.
Čikaški stil citiranja (17. izdanje)Heizer, Michael, Dennis Oppenheim, i Robert Smithson. "Discussions Woith Willoughby Sharp and Liza Bear of Avalanche." Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings 2012.
MLA način citiranja (8. izdanje)Heizer, Michael, et al. "Discussions Woith Willoughby Sharp and Liza Bear of Avalanche." Theories and Documents of Contemporary Art : A Sourcebook of Artists' Writings, 2012.
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