Pink, D. H. (2019). When: The Scientific Secrets of Perfect Timing. Canongate Books.
Chicago-čujuhus (17. p.)Pink, Daniel H. When: The Scientific Secrets of Perfect Timing. USA: Canongate Books, 2019.
MLA-čujuhus (9. p.)Pink, Daniel H. When: The Scientific Secrets of Perfect Timing. Canongate Books, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.