Gaya APA

Ackermann, ., Supriharyono, . (1972). Combined block adjusment of APR data independent photogrammetric models . Enschade: ITC.

Gaya MLA

Ackermann, ., Supriharyono, . "Combined block adjusment of APR data independent photogrammetric models". Enschade: ITC, 1972. Text.