Schippers, K. (1997). It always jumps back and finds its way: [text by K. Schippers ]. De Appel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchippers, K. It Always Jumps Back and Finds Its Way: [text by K. Schippers ]. Amsterdam: De Appel, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchippers, K. It Always Jumps Back and Finds Its Way: [text by K. Schippers ]. De Appel, 1997.
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