APA (7e ed.) Bronvermelding

(1971). The Stateman's yearbook: Statitstical and historical annual of the states of the world for the year 1971-1972. MacMillan.

Chicago (17e ed.) Bronvermelding

The Stateman's Yearbook: Statitstical and Historical Annual of the States of the World for the Year 1971-1972. London: MacMillan, 1971.

MLA (9e ed.) Bronvermelding

The Stateman's Yearbook: Statitstical and Historical Annual of the States of the World for the Year 1971-1972. MacMillan, 1971.

Let op: Deze citaties zijn niet altijd 100% accuraat.