Gaya APA

Old, R., Primrose, S. (1989). Prinsip- Prinsip Manipulasi Gen (4th). London: Blaxkwell Scientific Publications.

Gaya MLA

Old, R.W.., Primrose, S.B.. "Prinsip- Prinsip Manipulasi Gen". 4th London: Blaxkwell Scientific Publications, 1989. Text.