Maceda, W. (1971). Biology: The science of living things; laboratory manual and workbook. Felta Book Sales.
Citazione stile Chigago Style (17a edizione)Maceda, Wilfredo. Biology: The Science of Living Things; Laboratory Manual and Workbook. Manila: Felta Book Sales, 1971.
Citatione MLA (9a ed.)Maceda, Wilfredo. Biology: The Science of Living Things; Laboratory Manual and Workbook. Felta Book Sales, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.