Cita APA (7th ed.)

UNISIST/ICSU-AB Working Group on Bibliographic Descriptions & Martin, M. D. (1974). Reference manual for machine-readable bibliographic descriptions. Unesco.

Cita Chicago (17th ed.)

UNISIST/ICSU-AB Working Group on Bibliographic Descriptions i M. D. Martin. Reference Manual for Machine-readable Bibliographic Descriptions. Paris: Unesco, 1974.

Cita MLA (8th ed.)

UNISIST/ICSU-AB Working Group on Bibliographic Descriptions i M. D. Martin. Reference Manual for Machine-readable Bibliographic Descriptions. Unesco, 1974.