Cita APA (7a ed.)
Beck, R. H. (1971). Change and harmonization in European education.
Cita estilo Chicago (17a ed.)
Beck, Robert H. Change and Harmonization in European Education. 1971.
Cita MLA (9a ed.)
Beck, Robert H. Change and Harmonization in European Education. 1971.
警告：這些引文格式不一定是100％准確.