Rick Relyea; Robert E. Ricklefs

©2018 | Eighth Edition
ISBN-10: 1319060412
ISBN-13: 9781319060411

For Students: $159.99
For Bookstores: $128.00

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Robert E. Ricklefs; Rick Relyea

©2014 | Seventh Edition
ISBN-10: 1429249951
ISBN-13: 9781429249959

For Students: $194.99
For Bookstores: $155.49

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Robert E. Ricklefs; Rick Relyea; Christoph Richter

©2015 | Seventh Edition, Canadian Edition
ISBN-10: 1464154244
ISBN-13: 9781464154249

For Students: $201.99
For Bookstores: $161.71

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