Cita APA (7a ed.)
International Correspondence Schools. Reference Library. Arithmetic, Elements of Algebra, Logarithms, Geometrical Drawing. International Textbook.
Cita estilo Chicago (17a ed.)
International Correspondence Schools. Reference Library. Arithmetic, Elements of Algebra, Logarithms, Geometrical Drawing. Scranton, EUA: International Textbook.
Cita MLA (9a ed.)
International Correspondence Schools. Reference Library. Arithmetic, Elements of Algebra, Logarithms, Geometrical Drawing. International Textbook.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.