Gaya APA

Lach, D, M, G, D, C, &, L, A. (2004). Practitioner's Guide to GAAS 2004 . Canada: McGraw-Hill.

Gaya MLA

Lach, Dan, M., Guy,, D.R., Carmichael,, &, Linda, A.. "Practitioner's Guide to GAAS 2004". Canada: McGraw-Hill, 2004. Text.