Robson, P. (1984). Does Papua New Guinea need a trade policy? Institute of National Affairs.
Chicago (17e ed.) BronvermeldingRobson, Peter. Does Papua New Guinea Need a Trade Policy? Port Moresby: Institute of National Affairs, 1984.
MLA (9e ed.) BronvermeldingRobson, Peter. Does Papua New Guinea Need a Trade Policy? Institute of National Affairs, 1984.
Let op: Deze citaties zijn niet altijd 100% accuraat.