Não informado. (1982). Environmental Research Center Papers. University of Tsukuba, Environmental Research Center.
Cita Chicago Style (17a ed.)Não informado. Environmental Research Center Papers. Ibaraki, Japão: University of Tsukuba, Environmental Research Center, 1982.
Cita MLA (8a ed.)Não informado. Environmental Research Center Papers. University of Tsukuba, Environmental Research Center, 1982.
Precaución: Estas citas no son 100% exactas.