Gaya APA

MD, A, J, G., Sihombing, D, R, N, E. (2011). ESENSIAL STROKE . Jakarta: EGC.

Gaya MLA

MD, Adrian, J, Golddszmidt,., Sihombing, Dr., Retna, Neary, Elseria. "ESENSIAL STROKE". Jakarta: EGC, 2011. Text.