APA (7e ed.) Bronvermelding

Dizer, R. U., Roque, M. C., & Marquez, J. F. T. (2009). Keeping fit: Living fully. SalesianaBooks.

Chicago (17e ed.) Bronvermelding

Dizer, Ronualdo U., Maryrose C. Roque, en Joseph Fernando T. Marquez. Keeping Fit: Living Fully. Makati City: SalesianaBooks, 2009.

MLA (9e ed.) Bronvermelding

Dizer, Ronualdo U., et al. Keeping Fit: Living Fully. SalesianaBooks, 2009.