Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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