APA-referens

Niemann, L. (1963). Technical arithmetic for mechanics manual and collection of problems for mechanics, workshop of fitters and similar trades. Wiley Eastern.

Chicago-stil citat

Niemann, Lowisch. Technical Arithmetic for Mechanics Manual and Collection of Problems for Mechanics, Workshop of Fitters and Similar Trades. New Delhi: Wiley Eastern, 1963.

MLA-referens

Niemann, Lowisch. Technical Arithmetic for Mechanics Manual and Collection of Problems for Mechanics, Workshop of Fitters and Similar Trades. Wiley Eastern, 1963.