APA Citation

Gudmundson Kristjanson, L. W. (1974). Comercio exterior de Costa Rica 1973. San José, C.R: DGEC, 1974.

Chicago Style Citation

Gudmundson Kristjanson, Lowell Wayne. Comercio Exterior De Costa Rica 1973. San José, C.R: DGEC, 1974, 1974.

MLA Citation

Gudmundson Kristjanson, Lowell Wayne. Comercio Exterior De Costa Rica 1973. San José, C.R: DGEC, 1974, 1974.

Warning: These citations may not always be 100% accurate.