APA (7th ed.) Citation

Hahn D.B. (2011). Focus on health (10.). Русс. яз.

Chicago Style (17th ed.) Citation

Hahn D.B. Focus on Health. 10. USA: Русс. яз, 2011.

MLA (8th ed.) Citation

Hahn D.B. Focus on Health. 10. Русс. яз, 2011.

Warning: These citations may not always be 100% accurate.