APA Style
Ruhlen, Merritt. (s.a.).
A guide to the language of the world .
Stanford:
Stanford University Press.
Chicago Style
Ruhlen, Merritt.
A guide to the language of the world.
Stanford:
Stanford University Press,
s.a..
Text.
MLA Style
Ruhlen, Merritt.
A guide to the language of the world.
Stanford:
Stanford University Press,
s.a..
Text.
Turabian Style
Ruhlen, Merritt.
A guide to the language of the world.
Stanford:
Stanford University Press,
s.a..
Print.