Gaya APA
Hoeger, W, W., Hoeger, S, A. (2014).
Principles and labs for physical fitness (9th ed.).
Belmont, California:
Wadsworth Cengage Learning.
Gaya MLA
Hoeger, Werner, W.K.., Hoeger, Sharon, A..
"Principles and labs for physical fitness".
9th ed.
Belmont, California:
Wadsworth Cengage Learning,
2014.
Text.