APA-viite (7. p.)

Hidalso, N. P. (1979). Report of observations and recommendations on travel in the United States, United Kingdom, Europe, and Southeast Asia. s.n.

Chicago-viite (17. p.)

Hidalso, Nanama Prado. Report of Observations and Recommendations on Travel in the United States, United Kingdom, Europe, and Southeast Asia. [s.l: s.n, 1979.

MLA-viite (9. p.)

Hidalso, Nanama Prado. Report of Observations and Recommendations on Travel in the United States, United Kingdom, Europe, and Southeast Asia. s.n, 1979.