APA aipamena

METAL BULLETIN LTD. (1975). FERRO- ALLOYS SURVEY 1975. METAL BULLETIN LTD.

Chicago Style aipamena

METAL BULLETIN LTD. FERRO- ALLOYS SURVEY 1975. LONDON: METAL BULLETIN LTD, 1975.

MLA aipamena

METAL BULLETIN LTD. FERRO- ALLOYS SURVEY 1975. METAL BULLETIN LTD, 1975.