Radoslav Penov & Milen Chalakov. (2018). FRONT-HAND-PUNCH SPEED IMPROVEMENT EXPERIMENTAL METHODOLOGY IN KARATE. Scientific Publishing House. NSA Press.
Chicago Style (17th ed.) CitationRadoslav Penov and Milen Chalakov. FRONT-HAND-PUNCH SPEED IMPROVEMENT EXPERIMENTAL METHODOLOGY IN KARATE. Scientific Publishing House. NSA Press, 2018.
MLA (9th ed.) CitationRadoslav Penov and Milen Chalakov. FRONT-HAND-PUNCH SPEED IMPROVEMENT EXPERIMENTAL METHODOLOGY IN KARATE. Scientific Publishing House. NSA Press, 2018.
Warning: These citations may not always be 100% accurate.