APA
Shasta Nelson, . (2020). The Business of Friendship. USA: Harper Collins Leadership.
Chicago
Shasta Nelson, . 2020. The Business of Friendship. USA: Harper Collins Leadership.
Harvard
Shasta Nelson, . (2020). The Business of Friendship. USA: Harper Collins Leadership.
MLA
Shasta Nelson, . The Business of Friendship. USA: Harper Collins Leadership. 2020.