Gaya APA
Doucouliagos, H. et al (2017).
Economics of trade unions: a study of a research field and its findings .
enk:
Routledge.
Gaya MLA
Doucouliagos, Hristos. et al.
"Economics of trade unions: a study of a research field and its findings".
enk:
Routledge,
2017.
Buku.