Keynote

Lansford, L., Stephenson, H., Dummett, P. Keynote, National Geographic Learning, 2016, 181 p. : col. ill., 978-1-305-39909-9.

Lansford, L., Stephenson, H., Dummett, P. (2016) Keynote, Andover: National Geographic Learning, 181 p. : col. ill., 978-1-305-39909-9

Lansford, L., Stephenson, H., & Dummett, P. (2016). Keynote. Intermediate : Student book. Andover: National Geographic Learning 181 p. : col. ill..