Dyer, Everret D.
Courtship, marriage and family : American Style
Dorsey Press, 1983
 Buku Teks
Li, Rong
Friendship
China Renmin University Press, 2015
 eBooks
Hojjat, Mahzad
The psychology of friendship
Oxford University Press, 2016
 eBooks
Khrushchov, Nikita Sergetevich
Disarmament for durable peace and friendship
Foreign Languages, 1960
 Buku Teks
Sollers, Philippe, 1936-
The friendship of Roland Barthes
Polity Press, 2017
 Buku Teks SO