拉德纳 & 罗伯茨. (2014). OK Photoshop+Illustrator插画设计灵感集: Digital art technique manual for illustrators & artists. 电子工业出版社.
Chicago (17e ed.) Bronvermelding拉德纳 en 罗伯茨. OK Photoshop+Illustrator插画设计灵感集: Digital Art Technique Manual for Illustrators & Artists. 电子工业出版社, 2014.
MLA (8e ed.) Bronvermelding拉德纳 en 罗伯茨. OK Photoshop+Illustrator插画设计灵感集: Digital Art Technique Manual for Illustrators & Artists. 电子工业出版社, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.