James R Craig. (1988). Resources of the earth. Englewood Cliffs, New Jersey: Prentice-Hall.
Chicago Style CitationJames R Craig. Resources of the Earth. Englewood Cliffs, New Jersey: Prentice-Hall, 1988.
Cita MLAJames R Craig. Resources of the Earth. Englewood Cliffs, New Jersey: Prentice-Hall, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.