APA

Levine V., . (2014). Colombia physical features, natural resources, means of communication, manufactures and industrial development. Inglaterra: Sir Isaac Pitman.

Chicago

Levine V, . 2014. Colombia physical features, natural resources, means of communication, manufactures and industrial development. Inglaterra: Sir Isaac Pitman.

Harvard

Levine V., . (2014). Colombia physical features, natural resources, means of communication, manufactures and industrial development. Inglaterra: Sir Isaac Pitman.

MLA

Levine V, . Colombia physical features, natural resources, means of communication, manufactures and industrial development. Inglaterra: Sir Isaac Pitman. 2014.