Cita APA (7th ed.)

International Organization for Standardization. (1968). Bibliographical references: Essential and supplementary elements.

Cita Chicago (17th ed.)

International Organization for Standardization. Bibliographical References: Essential and Supplementary Elements. Geneva, 1968.

Cita MLA (8th ed.)

International Organization for Standardization. Bibliographical References: Essential and Supplementary Elements. 1968.

Atenció: Aquestes cites poden no estar 100% correctes.