Cita APA (7th ed.)

Hillard, E. (1996). Windows and doors. Conran Octupus Limited.

Cita Chicago (17th ed.)

Hillard, Elizabeth. Windows and Doors. London: Conran Octupus Limited, 1996.

Cita MLA (9th ed.)

Hillard, Elizabeth. Windows and Doors. Conran Octupus Limited, 1996.