1. Naganishi, H. J. Fermentation Stud. 6, 1–12 (1928).
2. Lodder, J., & Kreger-Van Rij, N. J. W. The Yeast: a Taxonomic Study (North-Holland. Amsterdam. 1952).
3. Kudriavzev, V. I. Sistematika Drozhzhei (Akademii Nauk. Moscow. 1954).
4. Phaff, H. J., Miller, M. W. & Shifrine, M. Antonie van Leeuwenhoek 22, 145–161 (1956).
5. van der Walt, J. P. & Johannsen, E. S. Afr. Council Sci. Ind. Res. Res. Rep. No. 325 (1975).