Gaya APA

Landrey, A, C. (). Math Grade 9 Unit 5 Student Book: L.I.F.E.P.A.C . Rock Rapids: Alpha Omega Publications.

Gaya MLA

Landrey, Arthur, C.. "Math Grade 9 Unit 5 Student Book: L.I.F.E.P.A.C". Rock Rapids: Alpha Omega Publications, . Text.