APA ציטוט

HEINRICH, E. Microscopic Petrography#E. WM. Heinrich. Mc Graw-Hill.

Chicago Style (17th ed.) Citation

HEINRICH, E.WN. Microscopic Petrography#E. WM. Heinrich. Mc Graw-Hill.

ציטוט MLA

HEINRICH, E.WN. Microscopic Petrography#E. WM. Heinrich. Mc Graw-Hill.