Citace podle APA (7th ed.)

Bolivar, J. D. (1987). A proposed syllabus and teaching material in economic geography for the secondary school. s.n.

Citace podle Chicago (17th ed.)

Bolivar, Juliana D. A Proposed Syllabus and Teaching Material in Economic Geography for the Secondary School. s.l: s.n, 1987.

Citace podle MLA (9th ed.)

Bolivar, Juliana D. A Proposed Syllabus and Teaching Material in Economic Geography for the Secondary School. s.n, 1987.

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