APA-čujuhus (7. p.)

LEVENHAGEN, J. I. (1999). HVAC control system design diagrams. McGraw-Hill.

Chicago-čujuhus (17. p.)

LEVENHAGEN, John I. HVAC Control System Design Diagrams. New York: McGraw-Hill, 1999.

MLA-čujuhus (9. p.)

LEVENHAGEN, John I. HVAC Control System Design Diagrams. McGraw-Hill, 1999.

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