Citazione Stile APA (7a Edizione)

Esmundo, R. R., Pagulayan Roberto C., & Payawal, P. C. (1999). Life and the planet earth. Learning Resource Center.

Citazione stile Chigago Style (17a edizione)

Esmundo, Rosalinda R., Pagulayan Roberto C., e Pacifico C. Payawal. Life and the Planet Earth. Diliman, Quezon City: Learning Resource Center, 1999.

Citatione MLA (9a ed.)

Esmundo, Rosalinda R., et al. Life and the Planet Earth. Learning Resource Center, 1999.