(1969). A guide to PL/I / [by] Seymour V. Pollack [and] Theodor D. Sterling.
Chicago-čujuhus (17. p.)A Guide to PL/I / [by] Seymour V. Pollack [and] Theodor D. Sterling. 1969.
MLA-čujuhus (9. p.)A Guide to PL/I / [by] Seymour V. Pollack [and] Theodor D. Sterling. 1969.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.