APA-čujuhus (7. p.)

(1990). Testing problems with linear or angular inequality constraints / Johan C. Akkerboom.

Chicago-čujuhus (17. p.)

Testing Problems with Linear or Angular Inequality Constraints / Johan C. Akkerboom. 1990.

MLA-čujuhus (9. p.)

Testing Problems with Linear or Angular Inequality Constraints / Johan C. Akkerboom. 1990.

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