APA

Hansen B., . (1967). Long-and short-term planning in underveloped countries. Suecia: North-Holland publishing company Amsterdan.

Chicago

Hansen Bent, . 1967. Long-and short-term planning in underveloped countries. Suecia: North-Holland publishing company Amsterdan.

Harvard

Hansen B., . (1967). Long-and short-term planning in underveloped countries. Suecia: North-Holland publishing company Amsterdan.

MLA

Hansen Bent, . Long-and short-term planning in underveloped countries. Suecia: North-Holland publishing company Amsterdan. 1967.