Teilhard de Chardin, P., & Cohen, J. M. (1969). Human energy. Harcourt Brace Jovanovich.
Chicago Style aipamenaTeilhard de Chardin, Pierre, and J. M. Cohen. Human Energy. New York: Harcourt Brace Jovanovich, 1969.
MLA aipamenaTeilhard de Chardin, Pierre, and J. M. Cohen. Human Energy. Harcourt Brace Jovanovich, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.