Παραπομπή APA

Stovall, W. (1978). Presidential emergemcy. Hodder and stoughton.

Παραπομπή Chicago Style

Stovall, Walter. Presidential Emergemcy. London: Hodder and stoughton, 1978.

Παραπομπή MLA

Stovall, Walter. Presidential Emergemcy. Hodder and stoughton, 1978.