Steward, J., & Van der Merwe, C. K. Proceedings of the tenth world orchid conference.
Cita Chicago (17th ed.)Steward, Joyce, i C.N. Klesie Van der Merwe. Proceedings of the Tenth World Orchid Conference.
Cita MLA (8th ed.)Steward, Joyce, i C.N. Klesie Van der Merwe. Proceedings of the Tenth World Orchid Conference.
Atenció: Aquestes cites poden no estar 100% correctes.