Trích dẫn APA

Alpízar Moya, S. (1991). Speech at the opening of the courses of Bachelor of Library and Information Science at the School of Library Science at the National University.

Trích dẫn kiểu Chicago

Alpízar Moya, Sandra. Speech At the Opening of the Courses of Bachelor of Library and Information Science At the School of Library Science At the National University. 1991.

Trích dẫn MLA

Alpízar Moya, Sandra. Speech At the Opening of the Courses of Bachelor of Library and Information Science At the School of Library Science At the National University. 1991.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.