Gaya APA

E.Bigal, R., B., M. (2006). MIGRAINE AND OTHER HEADACHE DISORDERS . New York: Informa Healthcare.

Gaya MLA

E.Bigal, Ricahard, B.Lipton,, Marcelo. "MIGRAINE AND OTHER HEADACHE DISORDERS". New York: Informa Healthcare, 2006. Buku Inti.