APA-čujuhus (7. p.)

Heaton, H. (1977). Productivity in service organizations. McGraw Hill.

Chicago-čujuhus (17. p.)

Heaton, Herbert. Productivity in Service Organizations. NewYork: McGraw Hill, 1977.

MLA-čujuhus (9. p.)

Heaton, Herbert. Productivity in Service Organizations. McGraw Hill, 1977.

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