Não informado. (2012). Tappi. Technical Association of the Pulp and Paper Industry.
Chicago (17e ed.) BronvermeldingNão informado. Tappi. Atlanta, Ga: Technical Association of the Pulp and Paper Industry, 2012.
MLA (8e ed.) BronvermeldingNão informado. Tappi. Technical Association of the Pulp and Paper Industry, 2012.
Let op: Deze citaties zijn niet altijd 100% accuraat.