Hoyt, J. (1964). Man and the earth. Prentice Hall.
Chicago Style aipamenaHoyt, Joseph. Man and the Earth. Englewood Cliffs: Prentice Hall, 1964.
MLA aipamenaHoyt, Joseph. Man and the Earth. Prentice Hall, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.