Não informado. (2018). Journal of Research. Public Works Research Institute.
Chicago (17e ed.) BronvermeldingNão informado. Journal of Research. Tokyo: Public Works Research Institute, 2018.
MLA (8e ed.) BronvermeldingNão informado. Journal of Research. Public Works Research Institute, 2018.
Let op: Deze citaties zijn niet altijd 100% accuraat.