Gaya APA

Anatomy, I, A, F, T, S, O, P, T, F., Merskey, H, (. (1997). Classification on chronic pain : descriptions of chronics pain syndromes and definitions of pain terms (2nd.Ed.). Seattle: IASP Press.

Gaya MLA

Anatomy, International, Association, For, The, Study, Of, Pain, Task, Force., Merskey, Harold, (editor). "Classification on chronic pain : descriptions of chronics pain syndromes and definitions of pain terms". 2nd.Ed. Seattle: IASP Press, 1997. Text.