APA
NORWAY S. (. B. o. )., NORWAY S. (. B. o. )., . (1972). Statistical yearbook of Norway 1972. Oslo: Central Bureau of Statistics.
Chicago
NORWAY STATISTICS (Central Bureau of ), NORWAY STATISTICS (Central Bureau of ), . 1972. Statistical yearbook of Norway 1972. Oslo: Central Bureau of Statistics.
Harvard
NORWAY S. (. B. o. )., NORWAY S. (. B. o. )., . (1972). Statistical yearbook of Norway 1972. Oslo: Central Bureau of Statistics.
MLA
NORWAY STATISTICS (Central Bureau of ), NORWAY STATISTICS (Central Bureau of ), . Statistical yearbook of Norway 1972. Oslo: Central Bureau of Statistics. 1972.
