Olsen, H. (1963). Painting portraits: How to capture likeness and personality. Oak Tree Press.
Цитирование в стиле Чикаго (17-е изд.)Olsen, Helen. Painting Portraits: How to Capture Likeness and Personality. London: Oak Tree Press, 1963.
Цитирование MLA (9-е изд.)Olsen, Helen. Painting Portraits: How to Capture Likeness and Personality. Oak Tree Press, 1963.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.