APA (7. basım) Alıntı

BPI WORLDWIDE. QUESTIONS & ANSWERS INVENTIONS AND DISCOVERIES. BPI WORLDWIDE.

Chicago Style (17. basım) Atıf

BPI WORLDWIDE. QUESTIONS & ANSWERS INVENTIONS AND DISCOVERIES. UNITED KINGDOM: BPI WORLDWIDE.

MLA (9th ed.) Atıf

BPI WORLDWIDE. QUESTIONS & ANSWERS INVENTIONS AND DISCOVERIES. BPI WORLDWIDE.