(1968). Organic photochemistry 2; plenary lectures presented at the Second International Symposium on Photochemistry held at the Technical University Twente, Enschede, The Netherlands, 16-22 July 1967. Butterworth.
Chicago-viite (17. p.)Organic Photochemistry 2; Plenary Lectures Presented at the Second International Symposium on Photochemistry Held at the Technical University Twente, Enschede, The Netherlands, 16-22 July 1967. London: Butterworth, 1968.
MLA-viite (9. p.)Organic Photochemistry 2; Plenary Lectures Presented at the Second International Symposium on Photochemistry Held at the Technical University Twente, Enschede, The Netherlands, 16-22 July 1967. Butterworth, 1968.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.