APA

Osterrieth M., .The impact of less developed countries´ trading position on world agricultural prices. : .

Chicago

Osterrieth Marc, .The impact of less developed countries´ trading position on world agricultural prices. : .

Harvard

Osterrieth M., .The impact of less developed countries´ trading position on world agricultural prices. : .

MLA

Osterrieth Marc, .: . .