Sakai, Hideki; Fujii, Takuto; Takeguchi, Noriaki (2016). "Chapter 13. Proton-Potassium (H+/K+) ATPases: Properties and Roles in Health and Diseases". In Astrid, Sigel; Helmut, Sigel; Roland K.O., Sigel (eds.). The Alkali Metal Ions: Their Role in Life. Metal Ions in Life Sciences. Vol. 16. Springer. pp. 459–483. doi:10.1007/978-3-319-21756-7_13. PMID26860309.
Sakai, Hideki; Fujii, Takuto; Takeguchi, Noriaki (2016). "Chapter 13. Proton-Potassium (H+/K+) ATPases: Properties and Roles in Health and Diseases". In Astrid, Sigel; Helmut, Sigel; Roland K.O., Sigel (eds.). The Alkali Metal Ions: Their Role in Life. Metal Ions in Life Sciences. Vol. 16. Springer. pp. 459–483. doi:10.1007/978-3-319-21756-7_13. PMID26860309.