Cita APA (7th ed.)
Graham, S. (1994). Energy research in developing countries. IDRC.
Cita Chicago (17th ed.)
Graham, Stephen. Energy Research in Developing Countries. Nairobi: IDRC, 1994.
Cita MLA (9th ed.)
Graham, Stephen. Energy Research in Developing Countries. IDRC, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.