APA

Holsti O. R., . (1969). Content analysis for the social sciences and humanities. Reading, Mass. [u.a.]: Addison-Wesley.

Chicago

Holsti Ole R, . 1969. Content analysis for the social sciences and humanities. Reading, Mass. [u.a.]: Addison-Wesley.

Harvard

Holsti O. R., . (1969). Content analysis for the social sciences and humanities. Reading, Mass. [u.a.]: Addison-Wesley.

MLA

Holsti Ole R, . Content analysis for the social sciences and humanities. Reading, Mass. [u.a.]: Addison-Wesley. 1969.