Não informado. (2008). Tsukuba Geoenvironmental Sciences. University of Tsukuba, Doctoral Program in Geoenvironmental Sciences.
Chicago (17e ed.) BronvermeldingNão informado. Tsukuba Geoenvironmental Sciences. Tsukuba, Japão: University of Tsukuba, Doctoral Program in Geoenvironmental Sciences, 2008.
MLA (8e ed.) BronvermeldingNão informado. Tsukuba Geoenvironmental Sciences. University of Tsukuba, Doctoral Program in Geoenvironmental Sciences, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.