Alunan, M. M. (2010). The Secret of plants. University of Santo Tomas Pub. House.
Citazione stile Chigago Style (17a edizione)Alunan, Merlie M. The Secret of Plants. Manila: University of Santo Tomas Pub. House, 2010.
Citatione MLA (9a ed.)Alunan, Merlie M. The Secret of Plants. University of Santo Tomas Pub. House, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.