Barksdale 1968, p. 738 Barksdale, Jelks (1968). "Titanium". ใน Clifford A. Hampel (บ.ก.). The Encyclopedia of the Chemical Elements. New York, NY: Reinhold Book Corporation. pp. 732–738. LCCN68029938.
Barksdale 1968, p. 734 Barksdale, Jelks (1968). "Titanium". ใน Clifford A. Hampel (บ.ก.). The Encyclopedia of the Chemical Elements. New York, NY: Reinhold Book Corporation. pp. 732–738. LCCN68029938.
Barksdale 1968, p. 738 Barksdale, Jelks (1968). "Titanium". ใน Clifford A. Hampel (บ.ก.). The Encyclopedia of the Chemical Elements. New York, NY: Reinhold Book Corporation. pp. 732–738. LCCN68029938.
Barksdale 1968, p. 734 Barksdale, Jelks (1968). "Titanium". ใน Clifford A. Hampel (บ.ก.). The Encyclopedia of the Chemical Elements. New York, NY: Reinhold Book Corporation. pp. 732–738. LCCN68029938.