Cita APA (7th ed.)
Ibbotson, T., & Chong, P. (2016). Eco packaging now (1a. ed.). Images Publishing.
Cita Chicago (17th ed.)
Ibbotson, Tony, i Peng Chong. Eco Packaging Now. 1a. ed. Shanghai: Images Publishing, 2016.
Cita MLA (9th ed.)
Ibbotson, Tony, i Peng Chong. Eco Packaging Now. 1a. ed. Images Publishing, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.