APA aipamena

Sandford, H. A. (1948). Hospitality for Overseas Visitors.

Chicago Style aipamena

Sandford, H. A. Hospitality for Overseas Visitors. 1948.

MLA aipamena

Sandford, H. A. Hospitality for Overseas Visitors. 1948.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.