Gaya APA
Old, R., Primrose.S.B, .
(1989).
Prinsip-prinsip manipulasi gen
.
London:
Blackwell Publishing.
Gaya MLA
Old, R.W.., Primrose.S.B, .
"Prinsip-prinsip manipulasi gen".
London:
Blackwell Publishing,
1989.
Text.