Gaya APA
Murphy, J, B., Amanda, P, -, S. (2007).
The nature of customary law legal, historical and philosophical perspectives .
Cambridge:
Cambridge University Press.
Gaya MLA
Murphy, James, Bernard., Amanda, Perreau, -, Saussine,.
"The nature of customary law legal, historical and philosophical perspectives".
Cambridge:
Cambridge University Press,
2007.
Text.