De la Cruz, A. A. (1970). Preparation and preservation of botanical specimens. Southern Capital Colleges.
Chicago-viite (17. p.)De la Cruz, Armando A. Preparation and Preservation of Botanical Specimens. Oroquieta City: Southern Capital Colleges, 1970.
MLA-viite (9. p.)De la Cruz, Armando A. Preparation and Preservation of Botanical Specimens. Southern Capital Colleges, 1970.
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