Zamora, P. M. (1988). Urban ferns and fern allies: Pteridophytes of Diliman and vicinity. Kalikasan Press.
Citazione stile Chigago Style (17a edizione)Zamora, P. M. Urban Ferns and Fern Allies: Pteridophytes of Diliman and Vicinity. Quezon City: Kalikasan Press, 1988.
Citatione MLA (9a ed.)Zamora, P. M. Urban Ferns and Fern Allies: Pteridophytes of Diliman and Vicinity. Kalikasan Press, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.