Cita APA (7th ed.)

ebrary, Inc, & Niskanen, K. (2012). Mechanics of paper products. Walter de Gruyter GmbH.

Cita Chicago (17th ed.)

ebrary, Inc, i Kaarlo Niskanen. Mechanics of Paper Products. Berlin ; Boston: Walter de Gruyter GmbH, 2012.

Cita MLA (9th ed.)

ebrary, Inc, i Kaarlo Niskanen. Mechanics of Paper Products. Walter de Gruyter GmbH, 2012.