Gaya APA

Engestrom, Y., , . (2008). From teams to knots: activity-theoretical studies of collaboration and learning at work . C: C: Cambridge University, 2008.

Gaya MLA

Engestrom, Yrjo., , . "From teams to knots: activity-theoretical studies of collaboration and learning at work". C: C: Cambridge University, 2008, 2008. .