Bone, M., & Johnson, K. (2009). I miss my pencil: A design exploration. Chronicle.
Chicago Style (17th ed.) CitationBone, Martin, and Kara Johnson. I Miss My Pencil: A Design Exploration. San Francisco, Calif: Chronicle, 2009.
MLA (9th ed.) CitationBone, Martin, and Kara Johnson. I Miss My Pencil: A Design Exploration. Chronicle, 2009.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.