APA-viite

Learning systems limited. Inerpretation and construction of break even charts. Industrial training and publishing division.

Chicago-tyylinen lähdeviittaus

Learning systems limited. Inerpretation and Construction of Break Even Charts. Oxford: Industrial training and publishing division.

MLA-viite

Learning systems limited. Inerpretation and Construction of Break Even Charts. Industrial training and publishing division.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.