Παραπομπή APA

Alexis Gregory. (1971). Nobel prize library: Miguel Angel Austrias 1967. Alexis Gregory.

Παραπομπή Chicago Style

Alexis Gregory. Nobel Prize Library: Miguel Angel Austrias 1967. New York: Alexis Gregory, 1971.

Παραπομπή MLA

Alexis Gregory. Nobel Prize Library: Miguel Angel Austrias 1967. Alexis Gregory, 1971.