APA ציטוט

GROLIER ENCYCLOPEDIA .. & GROLIER. Grolier encyclopedia of knowledge 19. Grolier.

Chicago Style (17th ed.) Citation

GROLIER ENCYCLOPEDIA .. and GROLIER. Grolier Encyclopedia of Knowledge 19. Danbury: Grolier.

ציטוט MLA

GROLIER ENCYCLOPEDIA .. and GROLIER. Grolier Encyclopedia of Knowledge 19. Grolier.