APA-ийн эшлэл(7 дахь хэвлэлт)

Sapienza, C. M., & Hoffman, B. (2020). Respiratory Muscle Strength Training. Plural Publishing, Incorporated.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Sapienza, Christine M., ба Bari Hoffman. Respiratory Muscle Strength Training. San Diego: Plural Publishing, Incorporated, 2020.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Sapienza, Christine M., ба Bari Hoffman. Respiratory Muscle Strength Training. Plural Publishing, Incorporated, 2020.