Cohn, Z. A., Bozeman, F. M., Campbell, J. M., Humphries, J. W., & Sawyer, T. K. (1959). STUDY ON GROWTH OF RICKETTSIAE: V. PENETRATION OF RICKETTSIA TSUTSUGAMUSHI INTO MAMMALIAN CELLS IN VITRO. The Rockefeller University Press.

Cohn, Zanvil A., F. Marilyn Bozeman, Janis M. Campbell, James W. Humphries, και Thomas K. Sawyer. STUDY ON GROWTH OF RICKETTSIAE: V. PENETRATION OF RICKETTSIA TSUTSUGAMUSHI INTO MAMMALIAN CELLS IN VITRO. The Rockefeller University Press, 1959.

Cohn, Zanvil A., et al. STUDY ON GROWTH OF RICKETTSIAE: V. PENETRATION OF RICKETTSIA TSUTSUGAMUSHI INTO MAMMALIAN CELLS IN VITRO. The Rockefeller University Press, 1959.