APA aipamena

Caliguiran, V. B. (2013). Abaca farming: A better option than mining. Agriculture.

Chicago Style aipamena

Caliguiran, Vladimir B. "Abaca Farming: A Better Option than Mining." Agriculture 2013.

MLA aipamena

Caliguiran, Vladimir B. "Abaca Farming: A Better Option than Mining." Agriculture, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.