Jessop, N. M. (1970). Biosphere: A study of life. Prentice-Hall.
Cita Chicago (17th ed.)Jessop, Nancy Meyer. Biosphere: A Study of Life. Englewood Cliffs, N.J: Prentice-Hall, 1970.
Cita MLA (9th ed.)Jessop, Nancy Meyer. Biosphere: A Study of Life. Prentice-Hall, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.