Cita APA (7th ed.)
CATON, H., & POPPE, K. (1990). ANNUAL LISTING OF CURRENT LITERATURE: BLINDNESS, VISUAL IMPAIRMENT, DEAF-BLINDNESS.
Cita Chicago (17th ed.)
CATON, H., i K. POPPE. ANNUAL LISTING OF CURRENT LITERATURE: BLINDNESS, VISUAL IMPAIRMENT, DEAF-BLINDNESS. 1990.
Cita MLA (9th ed.)
CATON, H., i K. POPPE. ANNUAL LISTING OF CURRENT LITERATURE: BLINDNESS, VISUAL IMPAIRMENT, DEAF-BLINDNESS. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.