APA (7e ed.) Bronvermelding

Não informado. (2012). Yearbook. Technical Association of the Pulp and Paper Industry.

Chicago (17e ed.) Bronvermelding

Não informado. Yearbook. New York: Technical Association of the Pulp and Paper Industry, 2012.

MLA (8e ed.) Bronvermelding

Não informado. Yearbook. Technical Association of the Pulp and Paper Industry, 2012.

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