APA-čujuhus (7. p.)

Popper, K. R. (1965). Conjectures and refutatuions: The growth of scientific knowledge. Harper Torchbooks.

Chicago-čujuhus (17. p.)

Popper, Karl R. Conjectures and Refutatuions: The Growth of Scientific Knowledge. New York: Harper Torchbooks, 1965.

MLA-čujuhus (9. p.)

Popper, Karl R. Conjectures and Refutatuions: The Growth of Scientific Knowledge. Harper Torchbooks, 1965.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.