Não informado. (1982). Environmental Research Center Papers. University of Tsukuba, Environmental Research Center.
Chicago-Zitierstil (17. Ausg.)Não informado. Environmental Research Center Papers. Ibaraki, Japão: University of Tsukuba, Environmental Research Center, 1982.
MLA-Zitierstil (8. Ausg.)Não informado. Environmental Research Center Papers. University of Tsukuba, Environmental Research Center, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.