Good, R. (1964). The geography of the flowering plants (3a. ed.). Longmans.
Cita Chicago (17th ed.)Good, Ronald. The Geography of the Flowering Plants. 3a. ed. Londres: Longmans, 1964.
Cita MLA (9th ed.)Good, Ronald. The Geography of the Flowering Plants. 3a. ed. Longmans, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.