Waterman-Pearson, A. E., & Seymour, C. Analgesia.
Cita Chicago (17th ed.)Waterman-Pearson, Avril E., i Chris Seymour. Analgesia.
Cita MLA (8th ed.)Waterman-Pearson, Avril E., i Chris Seymour. Analgesia.
Atenció: Aquestes cites poden no estar 100% correctes.