APA

Gaviria D., . (1999). Financial sustainability strategy summary. Balboa: Instituto Alexander von Humboldt.

Chicago

Gaviria Diana, . 1999. Financial sustainability strategy summary. Balboa: Instituto Alexander von Humboldt.

Harvard

Gaviria D., . (1999). Financial sustainability strategy summary. Balboa: Instituto Alexander von Humboldt.

MLA

Gaviria Diana, . Financial sustainability strategy summary. Balboa: Instituto Alexander von Humboldt. 1999.