University of the Philippines National Sciences Development Board. (1965). Biology for Philippine High Schools : The Relationships of living things: Teacher's guide. Phoenix Publishing.
Chicago-Zitierstil (17. Ausg.)University of the Philippines National Sciences Development Board. Biology for Philippine High Schools : The Relationships of Living Things: Teacher's Guide. Manila: Phoenix Publishing, 1965.
MLA-Zitierstil (9. Ausg.)University of the Philippines National Sciences Development Board. Biology for Philippine High Schools : The Relationships of Living Things: Teacher's Guide. Phoenix Publishing, 1965.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.