Tønnesen, H. H. (2019). Photostability of Drugs and Drug Formulations (2nd ed.). CRC Press An Imprint of Taylor & Francis Group.

Tønnesen, Hanne Hjorth. Photostability of Drugs and Drug Formulations. 2nd ed. Boca Raton, FL: CRC Press An Imprint of Taylor & Francis Group, 2019.

Tønnesen, Hanne Hjorth. Photostability of Drugs and Drug Formulations. 2nd ed. CRC Press An Imprint of Taylor & Francis Group, 2019.