Encyclopedia of microbiology; Volume 2
Lederberg, Joshua, editor-in-chief
Academic Press, 1992
 Buku Referensi
Encyclopedia of microbiology; Volume 3
Lederberg, Joshua, editor-in-chief
Academic Press, 1992
 Buku Referensi
Encyclopedia of microbiology; Volume 4
Lederberg, Joshua, editor-in-chief
Academic Press, 1992
 Buku Referensi
Encyclopedia of knowledge : volume 1
Grolier Incorporated, 1991
 Buku Referensi
Encyclopedia of bioethics : volume 1
Warren Thomas Reich, editor in chief
Simon & Schuster Macmillan, 1995
 Buku Referensi