Gaya APA

Hyland, A, &, B, S. (2011). Symbol: 1300+ symbols classified by form indexed by sector, designer and client. . London: London Laurence King Publishing Ltd.

Gaya MLA

Hyland, Angus, &, Bateman,, Steven. "Symbol: 1300+ symbols classified by form indexed by sector, designer and client. ". London: London Laurence King Publishing Ltd, 2011. Buku.