Gaya APA

al., B, B, D, E. (1991). Roundsmanstup 1991-1992; a year book guide to critical medicine . St. Louis: Mosby Year Book Inc..

Gaya MLA

al., Bruce, B., Dan,, Et.. "Roundsmanstup 1991-1992; a year book guide to critical medicine". St. Louis: Mosby Year Book Inc., 1991. Text.