Cita APA (7a ed.)

Swift, P., & Szymanowski, J. (1992). Step-by-step outdoor brickwork: Over twenty easy-to-build projects for your yard and garden. New Holland.

Cita Chicago Style (17a ed.)

Swift, Penny, y Janek Szymanowski. Step-by-step Outdoor Brickwork: Over Twenty Easy-to-build Projects for Your Yard and Garden. London: New Holland, 1992.

Cita MLA (9a ed.)

Swift, Penny, y Janek Szymanowski. Step-by-step Outdoor Brickwork: Over Twenty Easy-to-build Projects for Your Yard and Garden. New Holland, 1992.