APA (7e ed.) Bronvermelding

Não informado. (2008). Ringyo Shikenjo kenkyu hokoku. Government Forest Experiment Station.

Chicago (17e ed.) Bronvermelding

Não informado. Ringyo Shikenjo Kenkyu Hokoku. Ibaraki, Japão: Government Forest Experiment Station, 2008.

MLA (8e ed.) Bronvermelding

Não informado. Ringyo Shikenjo Kenkyu Hokoku. Government Forest Experiment Station, 2008.

Let op: Deze citaties zijn niet altijd 100% accuraat.