Cita APA (7th ed.)

GILL ROBERT W. (1973). RENDERING WITH PEN+INK. THAMES & HUDSON.

Cita Chicago (17th ed.)

GILL ROBERT W. RENDERING WITH PEN+INK. LONDON: THAMES & HUDSON, 1973.

Cita MLA (9th ed.)

GILL ROBERT W. RENDERING WITH PEN+INK. THAMES & HUDSON, 1973.