Holzbaur, U. D. (2012). 7 imperatives for success in research (1st edition.). Sun Press.
Cita Chicago (17th ed.)Holzbaur, Ulrich D. 7 Imperatives for Success in Research. 1st edition. Bloemfontein: Sun Press, 2012.
Cita MLA (9th ed.)Holzbaur, Ulrich D. 7 Imperatives for Success in Research. 1st edition. Sun Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.