APA stil citiranja

Yang, Z. (2016). A sharp double inequality involving trigonometric functions and its applications: A sharp double inequality involving trigonometric functions and its applications. Journal of mathematical inequalities.

Chicago stil citiranja

Yang, Zhen-Hang. "A sharp double inequality involving trigonometric functions and its applications: A sharp double inequality involving trigonometric functions and its applications." 2016.

MLA stil citiranja

Yang, Zhen-Hang. "A sharp double inequality involving trigonometric functions and its applications: A sharp double inequality involving trigonometric functions and its applications." 2016.