APA
J. B. Bijlsma, . (1991). Excerpta Medica. U.S.A: The National Academy of Sciences.
Chicago
J. B. Bijlsma, . 1991. Excerpta Medica. U.S.A: The National Academy of Sciences.
Harvard
J. B. Bijlsma, . (1991). Excerpta Medica. U.S.A: The National Academy of Sciences.
MLA
J. B. Bijlsma, . Excerpta Medica. U.S.A: The National Academy of Sciences. 1991.