Gilbert, J. (2007). Guide 2 Mathematical Methods (2nd.). Plagrave Macmillan.
Chicago-čujuhus (17. p.)Gilbert, John. Guide 2 Mathematical Methods. 2nd. New York: Plagrave Macmillan, 2007.
MLA-čujuhus (9. p.)Gilbert, John. Guide 2 Mathematical Methods. 2nd. Plagrave Macmillan, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.