Swift, P., & Szymanowski, J. (1992). Step-by-step outdoor brickwork: Over twenty easy-to-build projects for your yard and garden. New Holland.
Citace podle Chicago (17th ed.)Swift, Penny, a Janek Szymanowski. Step-by-step Outdoor Brickwork: Over Twenty Easy-to-build Projects for Your Yard and Garden. London: New Holland, 1992.
Citace podle MLA (9th ed.)Swift, Penny, a Janek Szymanowski. Step-by-step Outdoor Brickwork: Over Twenty Easy-to-build Projects for Your Yard and Garden. New Holland, 1992.
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