Z'graggen, John A. 1972. Comparative Wordlist of the Ramu language group, New Guinea. Alexishafen: Anthropos Institute.
@misc{601,
author = {Z'graggen, John A.},
title = {Comparative Wordlist of the Ramu language group, New Guinea. Alexishafen: Anthropos Institute.},
year = {1972}
}