Gaya APA

Bunnik, R, J. (1971). Common-purpose groups in Western Europe.Conc(i) 8(1970-73)6-10 . : .

Gaya MLA

Bunnik, Ruud, J.. "Common-purpose groups in Western Europe.Conc(i) 8(1970-73)6-10 ". : , 1971. Majalah.