Sidhu, B. K. (2020). Global innovation ranking.
Cita Chicago (17th ed.)Sidhu, B. K. Global Innovation Ranking. 2020.
Cita MLA (9th ed.)Sidhu, B. K. Global Innovation Ranking. 2020.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)