De la Cruz, A. A. (1970). Preparation and preservation of botanical specimens. Southern Capital Colleges.
Chicago Style aipamenaDe la Cruz, Armando A. Preparation and Preservation of Botanical Specimens. Oroquieta City: Southern Capital Colleges, 1970.
MLA aipamenaDe la Cruz, Armando A. Preparation and Preservation of Botanical Specimens. Southern Capital Colleges, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.