Cita APA (7a ed.)
Crucq-Toffolo, G., & Knitel, S. Concept Code: How to Create Meaningful Concepts. BIS Publishers.
Cita estilo Chicago (17a ed.)
Crucq-Toffolo, Gaby, y Sanne Knitel. Concept Code: How to Create Meaningful Concepts. Amsterdam, Holanda: BIS Publishers.
Cita MLA (9a ed.)
Crucq-Toffolo, Gaby, y Sanne Knitel. Concept Code: How to Create Meaningful Concepts. BIS Publishers.
Precaución: Estas citas no son 100% exactas.