APA-čujuhus (7. p.)
Ferrar, W. L. (1937). A text - book of convergence (1a. ed.). University Press, Oxford.
Chicago-čujuhus (17. p.)
Ferrar, W. L. A Text - Book of Convergence. 1a. ed. Londres: University Press, Oxford, 1937.
MLA-čujuhus (9. p.)
Ferrar, W. L. A Text - Book of Convergence. 1a. ed. University Press, Oxford, 1937.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.