Borgman Harry. Art & Illustration Techniques

New York: Watson-Guptill, 1979. — 176 p. — ISBN10: 0823002713.A guide for artists, illustrators and students detailing the various methods of working in pencil, ink line, ink tone, markers, watercolour, designer's colours, acrylic paints and mixed media. The finding of ideas, making corrections and the use of drawing aids and tools are included.