APA (7th ed.) Citation

Não informado. (1959). Bulletin of the Geophysical Observatory. Haile Selassie i University.

Chicago Style (17th ed.) Citation

Não informado. Bulletin of the Geophysical Observatory. Addis Ababa: Haile Selassie i University, 1959.

MLA (8th ed.) Citation

Não informado. Bulletin of the Geophysical Observatory. Haile Selassie i University, 1959.

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