Cita APA (7th ed.)
Ivanov, N. (1981). Scientific and technological progress and job qualification.
Cita Chicago (17th ed.)
Ivanov, N.P. Scientific and Technological Progress and Job Qualification. 1981.
Cita MLA (9th ed.)
Ivanov, N.P. Scientific and Technological Progress and Job Qualification. 1981.
Atenció: Aquestes cites poden no estar 100% correctes.