Lawrence-Lightfoot Sara. The art and science of portraiture - 1st. ed - San Francisco : Jossey-Bass , 1997 - xvii,293 p. : il. ; ISBN: 0787910643 Subjects--Topical Terms: METODO CIENTIFICOINVESTIGACIONINVESTIGACION CUALITATIVACIENCIAS SOCIALESRETRATO Universal Decimal Class. No.: 303 L421a