Tomkins, C. (2019). Sunbaked Klee: Paul Klee. The lives of artists : Collected Profildes.
Chicago-Zitierstil (17. Ausg.)Tomkins, Calvin. "Sunbaked Klee: Paul Klee." The Lives of Artists : Collected Profildes 2019.
MLA-Zitierstil (8. Ausg.)Tomkins, Calvin. "Sunbaked Klee: Paul Klee." The Lives of Artists : Collected Profildes, 2019.
警告：這些引文格式不一定是100％准確.