Chang, Y. (1954). Antomy of common North American Pulpwood Barks .: Ying-Pe Chang. Technical Association of the Pulp and paper Industry.
Cita Chicago (17th ed.)Chang, Ying-Pe. Antomy of Common North American Pulpwood Barks .: Ying-Pe Chang. New York: Technical Association of the Pulp and paper Industry, 1954.
Cita MLA (9th ed.)Chang, Ying-Pe. Antomy of Common North American Pulpwood Barks .: Ying-Pe Chang. Technical Association of the Pulp and paper Industry, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.