● Tsukamura M (1974). A further numerical taxonomic study of the rhodochrous group.
Jpn. J. Microbiol. 18, 37-44.
● Stackebrandt E,Smida J,Collins MD (1988). Evidence of phylogenetic heterogeneity within the genus Rhodococcus: revival of the genus Gordona (Tsukamura).
J. Gen. Appl. Microbiol. 34, 341-348.
● Hefferan M (1904). A comparative and experimental study of bacilli producing red pigment.
Zentbl. Bakt. Parasit. Kde (Abt. II) 73, 74-96.
● Ford WW (1927). Text-book of bacteriology. Edition: , Philadelphia: W. B. Saunders Co..
● Reed GB (1939). Proactinomyces Jensen. Edition: 5, Baltimore: The Williams & Wilkins Co.
● Waksman SA,Henrici AT (1948). Actinomycetaceae Buchanan.
In Bergey,Edition: 6, pp. . Edited by Robert S,Breed EGD,Murray A,Hitchens P. Baltimore, Md.: Williams & Wilkins Co.
● Bergey DH,Harrison FC,Breed RS,Hammer BW,Huntoon FM (1923). Bergey's Manual of Determinative Bacteriology. Edition: 1, Baltimore: The Williams & Wilkins Co.
