Carnaby, P. (2000). Watch Our Lips! New Skills and Services for the Knowledge Age.
Citazione stile Chigago Style (17a edizione)Carnaby, Penny. Watch Our Lips! New Skills and Services for the Knowledge Age. 2000.
Citatione MLA (9a ed.)Carnaby, Penny. Watch Our Lips! New Skills and Services for the Knowledge Age. 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.