APA-viite (7. p.)

(2011). Puerto Princesa River makes it to new seven natural wonders list. The Sunday Times.

Chicago-viite (17. p.)

"Puerto Princesa River Makes It to New Seven Natural Wonders List." The Sunday Times 2011.

MLA-viite (9. p.)

"Puerto Princesa River Makes It to New Seven Natural Wonders List." The Sunday Times, 2011.