Gaya APA
WILLIAMSON, M., Snyder, L, M. (2007).
Wallach's Interpretation of Diagnostic Test (ed.9).
London:
Lippincot William.
Gaya MLA
WILLIAMSON, MaryA.., Snyder, L., Michael.
"Wallach's Interpretation of Diagnostic Test".
ed.9
London:
Lippincot William,
2007.
Buku.