Gaya APA
L., W., W. et al. (1999).
Kembali bugar setelah lima puluh ( strength training past 50 ) (Ed.1,Cet.1).
Jakarta:
Raja Grafindo Persada.
Gaya MLA
Westcott, Wayne, L.. et al.
"Kembali bugar setelah lima puluh ( strength training past 50 )".
Ed.1,Cet.1
Jakarta:
Raja Grafindo Persada,
1999.
Textbook.